haz las siguientes sumas
haz las siuientes sustracciones EL QUE LO VEA RESUELVALO
Respuestas
3) Realizar las siguientes Sumas:
a) (5x² – 7x – 8) + (– 3x – 9)
5x² – 7x – 8 – 3x – 9
Resultado.
5x² – 10x – 17
b) (4a² + 2ab + 5b) + (6a² – 7ab)
4a² + 2ab + 5b + 6a² – 7ab
Resultado.
10a² – 5ab+ 5b
c) (– 15mn² + 6m²n – 9m) + (– 13m²n – 2m + 3)
– 15mn² + 6m²n – 9m – 13m²n – 2m + 3
Resultado.
– 15mn² – 7m²n – 11m + 3
d) [(1/2)m³ – (2/3)m²] + [(2/5)m³ + (1/6)m²]
(1/2)m³ – (2/3)m² + (2/5)m³ + (1/6)m²
(1/2 – 2/5)m³ + (1/6 – 2/3)m²
[(5 – 4)/10]m³ + [(1 – 4)/6]m²
(1/10)m³ – (3/6 )m²
Resultado.
(1/10)m³ – (1/2 )m²
e) (– 6x³y² + 7x²y³ – 9) + [(–8/3)x³y² + (7/4)]
– 6x³y² + 7x²y³ – 9 – (8/3)x³y² + 7/4
(– 6 – 8/3)x³y² + 7 x²y³+ 7/4
Resultado.
(– 14/3)x³y² + 7 x²y³+ 7/4
f) [(8a³b⁴ – (2/7)a⁴b³)] + [– 5a⁴b³ – (1/3)a³b⁴]
8a³b⁴ – (2/7)a⁴b³ – 5a⁴b³ – (1/3)a³b⁴
(8 – 1/3)a³b⁴ + (– 2/7 – 5)a⁴b³
(7/3)a³b⁴ + (– 2 – 35)/7a⁴b³
Resultado.
(7/3)a³b⁴ – (37/7)a⁴b³
4) Realizar las siguientes Sustracciones.
a) (6x² – 3x – 7) – (8x² + 7x + 4)
6x² – 3x – 7 – 8x² – 7x – 4
(6 – 8)x² + (– 3 – 7)x + (– 4 – 7)
Resultado.
– 2x² – 10x – 11 – 7
b) (24a²b – 6ab – 5) – (– 7a²b – 5ab – 8)
24a²b – 6ab – 5 + 7a²b + 5ab + 8
(24 + 7)a²b + (5 – 6)ab + (8 – 5)
Resultado.
31a²b – ab + 3
c) (3mn – 6m²n² + 2m³n³) – (24m²n² – 10m³n³)
3mn – 6m²n² + 2m³n³ – 24m²n² + 10m³n³
(3)mn + (– 6 – 24)m²n² + (2 + 10)m³n³
Resultado.
12m³n³ – 30m²n² + 3mn
d) (9x – 7y + 9z) – (3z – 4y + 2x)
9x – 7y + 9z – 3z + 4y – 2x
(9 – 2)x + (4 – 7)y + (9 – 3)z
Resultado.
7x – 3y + 6z
e) (– 6ab² + 8a²b) – [(2/5)ab – (4/3)a²b]
– 6ab² + 8a²b – (2/5)ab + (4/3)a²b
(– 6)ab² + (8 + 4/3)a²b – 2/5ab
– 6ab²2 + (24 + 4)/3a²b – 2/5ab
Resultado.
– 6ab² + 28/3a²b – 2/5ab
f) [(3/2)x³y⁴ – (2/3)x⁴y³] – [(5/6)x³y⁴ – (7/9)x⁴y³]
(3/2)x³y⁴ – (2/3)x⁴y³ – (5/6)x³y⁴ + (7/9)x⁴y³
(3/2 – 5/6)x³y⁴ + (7/9 – 2/3)x⁴y³
(9 – 5)/6x³y⁴ + (7 – 6)/9x⁴y³
(4/6)x³y⁴ + 1/9x⁴y³
Resultado.
2/3x³y⁴ + (1/9)x⁴y³
Respuesta:
Punto 3)
a. 5x²-7x-8 +(-3x-9)
= 5x²-7x-8-3x-9
= 5x²-10x-17
b. 4a²+2ab+5b +(6a²-7ab)
= 4a²+2ab+5b +6a²-7ab
= 10a²-5ab+5b
c. (15mn² +6m²n -9m) +(-13m²n -2m +3)
= 15mn² +6m²n -9m -13m²n -2m +3
= 15mn² -7m²n -11m +3
d. m³/2 - 2m²/3 +(-2m³ /5 +m²/6 )
= m³/2 - 2m²/3 -2m³/5 +m²/6
= 3m³/10 -9m²/18
Punto 4
a. (6x²-3x -7) -(8x²+7x+4)
= 6x²-3x -7 -8x²-7x-4
= -2x² -10x -11
b. (24a²b -6ab -5) -(-7a²b -5ab -8)
= 24a²b -6ab -5 +7a²b +5ab +8
= 31a²b -ab +3
c. (3mn -6m²n² +2m²n³) -(24m²n² - 10m²n³)
= 3mn -6m²n² +2m²n³ -24m²n² +10m²n³
= 3mn -30m²n² +12m²n³
d. (9x -7y +9z) -( 3z -4y +2x)
= 9x -7y +9z -3z +4y -2x
= 13x -3y +6z
e. (-6ab² +8a²b) - (2ab/5 -4a²b/3 )
= -6ab² +8a²b - 2ab/5 +4a²b/3
= -6ab² +28a²b/3 - 2ab/5
Explicación paso a paso:
coronita plis