hola me puede ayudar por favor:
(3x^3+6y^2) (2x-5y^3)=
(-4x^2y+2z^2) (3xy^2-5z^3)=
(5ex^3-6dy^2) (-ex-5dy^3)=
(-8x^3+y^2) (-9x-6y^3)=
(4x^5+7y^3) (3x^4-7y^2)=
(ax^2+8y^2) (7ax-9y^4)=
(5bx^3+6y^2) (2bx-5y^3)=
(2gy^3+8r^2) (gy-7r^3)=
(9xw^3+5y^2) (2wx-5y^3)=
(3p^2q^3+6ef^2) (2pq-5e^4f)=
explica el procedimiento por favor
Respuestas
Respuesta dada por:
0
▪A tomar en cuenta
° Factor común:
![\boxed{ab + ac = a(b + c)} \boxed{ab + ac = a(b + c)}](https://tex.z-dn.net/?f=+%5Cboxed%7Bab+%2B+ac+%3D+a%28b+%2B+c%29%7D)
° Factor común por agrupación de términos:
![\boxed{ax+ ay+ bx + by} = \\ \\ (ax + ay) + (bx + by) = \\ \\ a(x + y) + b(x + y) = \\ \\ \boxed{(x + y)(a + b)} \boxed{ax+ ay+ bx + by} = \\ \\ (ax + ay) + (bx + by) = \\ \\ a(x + y) + b(x + y) = \\ \\ \boxed{(x + y)(a + b)}](https://tex.z-dn.net/?f=+%5Cboxed%7Bax%2B+ay%2B+bx+%2B+by%7D+%3D+%5C%5C+%5C%5C+%28ax+%2B+ay%29+%2B+%28bx+%2B+by%29+%3D+%5C%5C+%5C%5C+a%28x+%2B+y%29+%2B+b%28x+%2B+y%29+%3D+%5C%5C+%5C%5C+%5Cboxed%7B%28x+%2B+y%29%28a+%2B+b%29%7D)
° Propiedad de potenciación:
![\boxed{ {a}^{b} \: ^{.} \: {a}^{c} = {a}^{b + c} } \boxed{ {a}^{b} \: ^{.} \: {a}^{c} = {a}^{b + c} }](https://tex.z-dn.net/?f=+%5Cboxed%7B+%7Ba%7D%5E%7Bb%7D+%5C%3A+%5E%7B.%7D+%5C%3A+%7Ba%7D%5E%7Bc%7D+%3D+%7Ba%7D%5E%7Bb+%2B+c%7D+%7D)
° Propiedad conmutativa:
![\boxed{(a + b)(x + y) = ax + ay + bx + by} \boxed{(a + b)(x + y) = ax + ay + bx + by}](https://tex.z-dn.net/?f=+%5Cboxed%7B%28a+%2B+b%29%28x+%2B+y%29+%3D+ax+%2B+ay+%2B+bx+%2B+by%7D)
° Ley de signos:
![+ \: ^{.} \: + = + \\ + \: ^{.} \: - = - \\ - \: ^{.} \: - = + \\ - \: ^{.} \: + = - + \: ^{.} \: + = + \\ + \: ^{.} \: - = - \\ - \: ^{.} \: - = + \\ - \: ^{.} \: + = -](https://tex.z-dn.net/?f=+%2B+%5C%3A+%5E%7B.%7D+%5C%3A+%2B+%3D+%2B+%5C%5C+%2B+%5C%3A+%5E%7B.%7D+%5C%3A+-+%3D+-+%5C%5C+-+%5C%3A+%5E%7B.%7D+%5C%3A+-+%3D+%2B+%5C%5C+-+%5C%3A+%5E%7B.%7D+%5C%3A+%2B+%3D+-+)
▪Soluciones:
° Aplicando todo lo anterior obtenemos:
![a). \\ (3 {x}^{3} + 6 {y}^{2} )(2x - 5 {y}^{3} ) = \\ \\ \boxed{6 {x}^{4} - 15 {x}^{3} {y}^{3} + 12x {y}^{2} - 30 {y}^{5} } = \\ \\ 6 {x}^{4} + 12x {y}^{2} - 15 {x}^{3} {y}^{3} - 30 {y}^{5} = \\ \\ 6x( {x}^{3} + 2 {y}^{2} ) - 15 {y}^{3} ( {x}^{3} + 2 {y}^{2} ) = \\ \\ \boxed{\boxed{( {x}^{3} + 2 {y}^{2} )(6x - 15 {y}^{3} )}} a). \\ (3 {x}^{3} + 6 {y}^{2} )(2x - 5 {y}^{3} ) = \\ \\ \boxed{6 {x}^{4} - 15 {x}^{3} {y}^{3} + 12x {y}^{2} - 30 {y}^{5} } = \\ \\ 6 {x}^{4} + 12x {y}^{2} - 15 {x}^{3} {y}^{3} - 30 {y}^{5} = \\ \\ 6x( {x}^{3} + 2 {y}^{2} ) - 15 {y}^{3} ( {x}^{3} + 2 {y}^{2} ) = \\ \\ \boxed{\boxed{( {x}^{3} + 2 {y}^{2} )(6x - 15 {y}^{3} )}}](https://tex.z-dn.net/?f=a%29.+%5C%5C+%283+%7Bx%7D%5E%7B3%7D+%2B+6+%7By%7D%5E%7B2%7D+%29%282x+-+5+%7By%7D%5E%7B3%7D+%29+%3D+%5C%5C+%5C%5C+%5Cboxed%7B6+%7Bx%7D%5E%7B4%7D+-+15+%7Bx%7D%5E%7B3%7D+%7By%7D%5E%7B3%7D+%2B+12x+%7By%7D%5E%7B2%7D+-+30+%7By%7D%5E%7B5%7D+%7D+%3D+%5C%5C+%5C%5C+6+%7Bx%7D%5E%7B4%7D+%2B+12x+%7By%7D%5E%7B2%7D+-+15+%7Bx%7D%5E%7B3%7D+%7By%7D%5E%7B3%7D+-+30+%7By%7D%5E%7B5%7D+%3D+%5C%5C+%5C%5C+6x%28+%7Bx%7D%5E%7B3%7D+%2B+2+%7By%7D%5E%7B2%7D+%29+-+15+%7By%7D%5E%7B3%7D+%28+%7Bx%7D%5E%7B3%7D+%2B+2+%7By%7D%5E%7B2%7D+%29+%3D+%5C%5C+%5C%5C+%5Cboxed%7B%5Cboxed%7B%28+%7Bx%7D%5E%7B3%7D+%2B+2+%7By%7D%5E%7B2%7D+%29%286x+-+15+%7By%7D%5E%7B3%7D+%29%7D%7D)
![b). \\ (- 4 {x}^{2} y + 2 {z}^{2} )(3x {y}^{2} - 5 {z}^{3} ) \\ \\ \boxed{- 12 {x}^{3} {y}^{3} + 20 {x}^{2} y {z}^{3} + 6x {y}^{2} {z}^{2} - 10 {z}^{5} }= \\ \\ 6x {y}^{2} {z}^{2} - 12 {x}^{3} {y}^{3} - 10 {z}^{5} + 20 {x}^{2} y {z}^{3} = \\ \\ 6x {y}^{2} ( {z}^{2} - 2 {x}^{2} y) - 10 {z}^{3} ( {z}^{2} - 2 {x}^{2} y) = \\ \\ \boxed{\boxed{( {z}^{2} - 2 {x}^{2} y)(6x {y}^{2} - 10 {z}^{3} )}} b). \\ (- 4 {x}^{2} y + 2 {z}^{2} )(3x {y}^{2} - 5 {z}^{3} ) \\ \\ \boxed{- 12 {x}^{3} {y}^{3} + 20 {x}^{2} y {z}^{3} + 6x {y}^{2} {z}^{2} - 10 {z}^{5} }= \\ \\ 6x {y}^{2} {z}^{2} - 12 {x}^{3} {y}^{3} - 10 {z}^{5} + 20 {x}^{2} y {z}^{3} = \\ \\ 6x {y}^{2} ( {z}^{2} - 2 {x}^{2} y) - 10 {z}^{3} ( {z}^{2} - 2 {x}^{2} y) = \\ \\ \boxed{\boxed{( {z}^{2} - 2 {x}^{2} y)(6x {y}^{2} - 10 {z}^{3} )}}](https://tex.z-dn.net/?f=b%29.+%5C%5C+%28-+4+%7Bx%7D%5E%7B2%7D+y+%2B+2+%7Bz%7D%5E%7B2%7D+%29%283x+%7By%7D%5E%7B2%7D+-+5+%7Bz%7D%5E%7B3%7D+%29+%5C%5C+%5C%5C+%5Cboxed%7B-+12+%7Bx%7D%5E%7B3%7D+%7By%7D%5E%7B3%7D+%2B+20+%7Bx%7D%5E%7B2%7D+y+%7Bz%7D%5E%7B3%7D+%2B+6x+%7By%7D%5E%7B2%7D+%7Bz%7D%5E%7B2%7D+-+10+%7Bz%7D%5E%7B5%7D+%7D%3D+%5C%5C+%5C%5C+6x+%7By%7D%5E%7B2%7D+%7Bz%7D%5E%7B2%7D+-+12+%7Bx%7D%5E%7B3%7D+%7By%7D%5E%7B3%7D+-+10+%7Bz%7D%5E%7B5%7D+%2B+20+%7Bx%7D%5E%7B2%7D+y+%7Bz%7D%5E%7B3%7D+%3D+%5C%5C+%5C%5C+6x+%7By%7D%5E%7B2%7D+%28+%7Bz%7D%5E%7B2%7D+-+2+%7Bx%7D%5E%7B2%7D+y%29+-+10+%7Bz%7D%5E%7B3%7D+%28+%7Bz%7D%5E%7B2%7D+-+2+%7Bx%7D%5E%7B2%7D+y%29+%3D+%5C%5C+%5C%5C+%5Cboxed%7B%5Cboxed%7B%28+%7Bz%7D%5E%7B2%7D+-+2+%7Bx%7D%5E%7B2%7D+y%29%286x+%7By%7D%5E%7B2%7D+-+10+%7Bz%7D%5E%7B3%7D+%29%7D%7D)
![c). \\ (5e {x}^{3} - 6d {y}^{2} )( - ex - 5d {y}^{3} ) = \\ \\ \boxed{- 5 {e}^{2} {x}^{4} - 25de {x}^{3} {y}^{3} + 6de {y}^{2} + 30 {d}^{2} {y}^{5} } = \\ \\ 6de {y}^{2} x + 30 {d}^{2} {y}^{5} - 5 {e}^{2} {x}^{4} - 25de {x}^{3} {y}^{3} = \\ \\ 6d {y}^{2} (e x+ 5d {y}^{3} ) - 5e {x}^{3} e(ex + 5d {y}^{3} ) = \\ \\ \boxed{\boxed{(ex + 5d {y}^{3} )(6d {y}^{2} - 5e {x}^{3} )}} c). \\ (5e {x}^{3} - 6d {y}^{2} )( - ex - 5d {y}^{3} ) = \\ \\ \boxed{- 5 {e}^{2} {x}^{4} - 25de {x}^{3} {y}^{3} + 6de {y}^{2} + 30 {d}^{2} {y}^{5} } = \\ \\ 6de {y}^{2} x + 30 {d}^{2} {y}^{5} - 5 {e}^{2} {x}^{4} - 25de {x}^{3} {y}^{3} = \\ \\ 6d {y}^{2} (e x+ 5d {y}^{3} ) - 5e {x}^{3} e(ex + 5d {y}^{3} ) = \\ \\ \boxed{\boxed{(ex + 5d {y}^{3} )(6d {y}^{2} - 5e {x}^{3} )}}](https://tex.z-dn.net/?f=c%29.+%5C%5C+%285e+%7Bx%7D%5E%7B3%7D+-+6d+%7By%7D%5E%7B2%7D+%29%28+-+ex+-+5d+%7By%7D%5E%7B3%7D+%29+%3D+%5C%5C+%5C%5C+%5Cboxed%7B-+5+%7Be%7D%5E%7B2%7D+%7Bx%7D%5E%7B4%7D+-+25de+%7Bx%7D%5E%7B3%7D+%7By%7D%5E%7B3%7D+%2B+6de+%7By%7D%5E%7B2%7D+%2B+30+%7Bd%7D%5E%7B2%7D+%7By%7D%5E%7B5%7D+%7D+%3D+%5C%5C+%5C%5C+6de+%7By%7D%5E%7B2%7D+x+%2B+30+%7Bd%7D%5E%7B2%7D+%7By%7D%5E%7B5%7D+-+5+%7Be%7D%5E%7B2%7D+%7Bx%7D%5E%7B4%7D+-+25de+%7Bx%7D%5E%7B3%7D+%7By%7D%5E%7B3%7D+%3D+%5C%5C+%5C%5C+6d+%7By%7D%5E%7B2%7D+%28e+x%2B+5d+%7By%7D%5E%7B3%7D+%29+-+5e+%7Bx%7D%5E%7B3%7D+e%28ex+%2B+5d+%7By%7D%5E%7B3%7D+%29+%3D+%5C%5C+%5C%5C+%5Cboxed%7B%5Cboxed%7B%28ex+%2B+5d+%7By%7D%5E%7B3%7D+%29%286d+%7By%7D%5E%7B2%7D+-+5e+%7Bx%7D%5E%7B3%7D+%29%7D%7D)
![d). \\ ( - 8 {x}^{3} + {y}^{2} )( - 9x - 6 {y}^{3} ) = \\ \\ \boxed{72 {x}^{4} + 48 {x}^{3} {y}^{3} - 9x {y}^{2} - 6 {y}^{5} }= \\ \\ - 6 {y}^{5} + 48 {x}^{3} {y}^{3} - 9x {y}^{2} + 72 {x}^{4} = \\ \\ - 6 {y}^{3} ( {y}^{2} - 8 {x}^{3} ) - 9x( {y}^{2} - 8 {x}^{3} ) = \\ \\ \boxed{\boxed{( {y}^{2} - 8 {x}^{3} )( - 6 {y}^{3} - 9x)}} d). \\ ( - 8 {x}^{3} + {y}^{2} )( - 9x - 6 {y}^{3} ) = \\ \\ \boxed{72 {x}^{4} + 48 {x}^{3} {y}^{3} - 9x {y}^{2} - 6 {y}^{5} }= \\ \\ - 6 {y}^{5} + 48 {x}^{3} {y}^{3} - 9x {y}^{2} + 72 {x}^{4} = \\ \\ - 6 {y}^{3} ( {y}^{2} - 8 {x}^{3} ) - 9x( {y}^{2} - 8 {x}^{3} ) = \\ \\ \boxed{\boxed{( {y}^{2} - 8 {x}^{3} )( - 6 {y}^{3} - 9x)}}](https://tex.z-dn.net/?f=d%29.+%5C%5C+%28+-+8+%7Bx%7D%5E%7B3%7D+%2B+%7By%7D%5E%7B2%7D+%29%28+-+9x+-+6+%7By%7D%5E%7B3%7D+%29+%3D+%5C%5C+%5C%5C+%5Cboxed%7B72+%7Bx%7D%5E%7B4%7D+%2B+48+%7Bx%7D%5E%7B3%7D+%7By%7D%5E%7B3%7D+-+9x+%7By%7D%5E%7B2%7D+-+6+%7By%7D%5E%7B5%7D+%7D%3D+%5C%5C+%5C%5C+-+6+%7By%7D%5E%7B5%7D+%2B+48+%7Bx%7D%5E%7B3%7D+%7By%7D%5E%7B3%7D+-+9x+%7By%7D%5E%7B2%7D+%2B+72+%7Bx%7D%5E%7B4%7D+%3D+%5C%5C+%5C%5C+-+6+%7By%7D%5E%7B3%7D+%28+%7By%7D%5E%7B2%7D+-+8+%7Bx%7D%5E%7B3%7D+%29+-+9x%28+%7By%7D%5E%7B2%7D+-+8+%7Bx%7D%5E%7B3%7D+%29+%3D+%5C%5C+%5C%5C+%5Cboxed%7B%5Cboxed%7B%28+%7By%7D%5E%7B2%7D+-+8+%7Bx%7D%5E%7B3%7D+%29%28+-+6+%7By%7D%5E%7B3%7D+-+9x%29%7D%7D)
![e). \\ (4 {x}^{5} + 7 {y}^{3} )(3 {x}^{4} - 7 {y}^{2} ) = \\ \\ \boxed{\boxed{12 {x}^{9} - 28 {x}^{5} {y}^{2} + 21 {x}^{4} {y}^{3} - 49 {y}^{5} }} e). \\ (4 {x}^{5} + 7 {y}^{3} )(3 {x}^{4} - 7 {y}^{2} ) = \\ \\ \boxed{\boxed{12 {x}^{9} - 28 {x}^{5} {y}^{2} + 21 {x}^{4} {y}^{3} - 49 {y}^{5} }}](https://tex.z-dn.net/?f=e%29.+%5C%5C+%284+%7Bx%7D%5E%7B5%7D+%2B+7+%7By%7D%5E%7B3%7D+%29%283+%7Bx%7D%5E%7B4%7D+-+7+%7By%7D%5E%7B2%7D+%29+%3D+%5C%5C+%5C%5C+%5Cboxed%7B%5Cboxed%7B12+%7Bx%7D%5E%7B9%7D+-+28+%7Bx%7D%5E%7B5%7D+%7By%7D%5E%7B2%7D+%2B+21+%7Bx%7D%5E%7B4%7D+%7By%7D%5E%7B3%7D+-+49+%7By%7D%5E%7B5%7D+%7D%7D)
![f). \\ (a {x}^{2} + 8 {y}^{2} )(7ax - 9 {y}^{4} ) = \\ \\ 7 {a}^{2} {x}^{3} - 9a {x}^{2} {y}^{4} + 56ax {y}^{2} - 72 {y}^{6} = \\ \\ \boxed{\boxed{7 {a}^{2} {x}^{3} + 56ax {y}^{2} - 9a {x}^{2} {y}^{4} - 72 {y}^{6} }} f). \\ (a {x}^{2} + 8 {y}^{2} )(7ax - 9 {y}^{4} ) = \\ \\ 7 {a}^{2} {x}^{3} - 9a {x}^{2} {y}^{4} + 56ax {y}^{2} - 72 {y}^{6} = \\ \\ \boxed{\boxed{7 {a}^{2} {x}^{3} + 56ax {y}^{2} - 9a {x}^{2} {y}^{4} - 72 {y}^{6} }}](https://tex.z-dn.net/?f=f%29.+%5C%5C+%28a+%7Bx%7D%5E%7B2%7D+%2B+8+%7By%7D%5E%7B2%7D+%29%287ax+-+9+%7By%7D%5E%7B4%7D+%29+%3D+%5C%5C+%5C%5C+7+%7Ba%7D%5E%7B2%7D+%7Bx%7D%5E%7B3%7D+-+9a+%7Bx%7D%5E%7B2%7D+%7By%7D%5E%7B4%7D+%2B+56ax+%7By%7D%5E%7B2%7D+-+72+%7By%7D%5E%7B6%7D+%3D+%5C%5C+%5C%5C+%5Cboxed%7B%5Cboxed%7B7+%7Ba%7D%5E%7B2%7D+%7Bx%7D%5E%7B3%7D+%2B+56ax+%7By%7D%5E%7B2%7D+-+9a+%7Bx%7D%5E%7B2%7D+%7By%7D%5E%7B4%7D+-+72+%7By%7D%5E%7B6%7D+%7D%7D)
![g). \\ (5b {x}^{3} + 6 {y}^{2} )(2bx - 5 {y}^{3} ) = \\ \\ \boxed{\boxed{10 {b}^{2} {x}^{4} - 25b {x}^{3} {y}^{3} + 12bx {y}^{2} - 30 {y}^{5} }} g). \\ (5b {x}^{3} + 6 {y}^{2} )(2bx - 5 {y}^{3} ) = \\ \\ \boxed{\boxed{10 {b}^{2} {x}^{4} - 25b {x}^{3} {y}^{3} + 12bx {y}^{2} - 30 {y}^{5} }}](https://tex.z-dn.net/?f=g%29.+%5C%5C+%285b+%7Bx%7D%5E%7B3%7D+%2B+6+%7By%7D%5E%7B2%7D+%29%282bx+-+5+%7By%7D%5E%7B3%7D+%29+%3D+%5C%5C+%5C%5C+%5Cboxed%7B%5Cboxed%7B10+%7Bb%7D%5E%7B2%7D+%7Bx%7D%5E%7B4%7D+-+25b+%7Bx%7D%5E%7B3%7D+%7By%7D%5E%7B3%7D+%2B+12bx+%7By%7D%5E%7B2%7D+-+30+%7By%7D%5E%7B5%7D+%7D%7D)
![h). \\ (2g {y}^{3} + 8 {r}^{2} )(gy - 7 {r}^{3} ) = \\ \\\boxed{ \boxed{2 {g}^{2} {y}^{4} - 14g {r}^{3} {y}^{3} + 8g {r}^{2} y - 56 {r}^{5} }} h). \\ (2g {y}^{3} + 8 {r}^{2} )(gy - 7 {r}^{3} ) = \\ \\\boxed{ \boxed{2 {g}^{2} {y}^{4} - 14g {r}^{3} {y}^{3} + 8g {r}^{2} y - 56 {r}^{5} }}](https://tex.z-dn.net/?f=h%29.+%5C%5C+%282g+%7By%7D%5E%7B3%7D+%2B+8+%7Br%7D%5E%7B2%7D+%29%28gy+-+7+%7Br%7D%5E%7B3%7D+%29+%3D+%5C%5C+%5C%5C%5Cboxed%7B+%5Cboxed%7B2+%7Bg%7D%5E%7B2%7D+%7By%7D%5E%7B4%7D+-+14g+%7Br%7D%5E%7B3%7D+%7By%7D%5E%7B3%7D+%2B+8g+%7Br%7D%5E%7B2%7D+y+-+56+%7Br%7D%5E%7B5%7D+%7D%7D)
![i). \\ (9x {w}^{3} + 5 {y}^{2} )(2wx - 5 {y}^{3} ) = \\ \\ \boxed{\boxed{18{w}^{4} {x}^{2} - 45 {w}^{3} x{y}^{3} + 10wx {y}^{2} - 25 {y}^{5} }} i). \\ (9x {w}^{3} + 5 {y}^{2} )(2wx - 5 {y}^{3} ) = \\ \\ \boxed{\boxed{18{w}^{4} {x}^{2} - 45 {w}^{3} x{y}^{3} + 10wx {y}^{2} - 25 {y}^{5} }}](https://tex.z-dn.net/?f=i%29.+%5C%5C+%289x+%7Bw%7D%5E%7B3%7D+%2B+5+%7By%7D%5E%7B2%7D+%29%282wx+-+5+%7By%7D%5E%7B3%7D+%29+%3D+%5C%5C+%5C%5C+%5Cboxed%7B%5Cboxed%7B18%7Bw%7D%5E%7B4%7D+%7Bx%7D%5E%7B2%7D+-+45+%7Bw%7D%5E%7B3%7D+x%7By%7D%5E%7B3%7D+%2B+10wx+%7By%7D%5E%7B2%7D+-+25+%7By%7D%5E%7B5%7D+%7D%7D)
![j). \\ (3 {p}^{2} {q}^{3} + 6 {ef}^{2} )(2pq - 5 {e}^{4} f) = \\ \\\boxed{ \boxed{6 {p}^{3} {q}^{4} - 15 {e}^{4} f {p}^{2} {q}^{4} + 12e {f}^{2} pq - 30 {e}^{5} {f}^{3} }} j). \\ (3 {p}^{2} {q}^{3} + 6 {ef}^{2} )(2pq - 5 {e}^{4} f) = \\ \\\boxed{ \boxed{6 {p}^{3} {q}^{4} - 15 {e}^{4} f {p}^{2} {q}^{4} + 12e {f}^{2} pq - 30 {e}^{5} {f}^{3} }}](https://tex.z-dn.net/?f=j%29.+%5C%5C+%283+%7Bp%7D%5E%7B2%7D+%7Bq%7D%5E%7B3%7D+%2B+6+%7Bef%7D%5E%7B2%7D+%29%282pq+-+5+%7Be%7D%5E%7B4%7D+f%29+%3D+%5C%5C+%5C%5C%5Cboxed%7B+%5Cboxed%7B6+%7Bp%7D%5E%7B3%7D+%7Bq%7D%5E%7B4%7D+-+15+%7Be%7D%5E%7B4%7D+f+%7Bp%7D%5E%7B2%7D+%7Bq%7D%5E%7B4%7D+%2B+12e+%7Bf%7D%5E%7B2%7D+pq+-+30+%7Be%7D%5E%7B5%7D+%7Bf%7D%5E%7B3%7D+%7D%7D)
° Salu2, JMC.
° Factor común:
° Factor común por agrupación de términos:
° Propiedad de potenciación:
° Propiedad conmutativa:
° Ley de signos:
▪Soluciones:
° Aplicando todo lo anterior obtenemos:
° Salu2, JMC.
Preguntas similares
hace 6 años
hace 6 años
hace 6 años
hace 9 años
hace 9 años
hace 9 años
hace 9 años