Question

Hallar la suma. Ayuda por favor

a. a + b – c; 2a + 2b – 2c; - 3a – b + 3c

b. – 7x – 4y + 6z; 10x – 20y – 8z; 5x + 24y + 2z

c. 5x – 7y + 8; -y +6-4x;9-3x+8y

d. – am + 6mn – 4s; 6s – am – 5mn; 2s – 5mn + 3am

e. 7x + 2y – 4; 9y – 6z + 5; -y + 3z – 6; - 5+ 8x -3y

f. - x^2 + 3x; x^3 + 6

g. m^2 n^2; - 3mn + 4n^2; - 5m^2 – 5n^2

h. a^3 – 4a + 5; a^3 – 2a^2 + 6; a^2 – 7a + 4

i. x^5 + x – 9; 3x^4 – 7x^2 + 6; - 3x^3 – 4x + 5

j. x^2 + 1/2 ab; - 1/4 ab + 1/2 b^2; - 1/4 ab - 1/5 b^2

k. 2/3 a^2 + 1/5 ab - 1/2 b^2; 5/6 a^2 - 1/10 ab + 1/6 b^2; - 1/12 a^2 + 1/20 ab - 1/3 b^2

l. 5/6 x^2 - 2/3 y^2 + 3/4 xy; - 1/2 xy - 1/6 x^2 + 1/8 y^2; 5/6 xy - 1/3 x^2 + 1/4 y^2
m. 2/3 m^3 - 1/4 〖mn〗^2 + 2/5 n^3; 1/6 m^2n + 1/8 〖mn〗^2 - 2/5 n^3; m^3- 1/2 n - n^3

Answer 1

Respuesta:

a. 6a + 2b

b. 8x

c. -2x + 23

d. am - 4mn + 4s

e. 15x + 7y - 3z - 6

f. x^3 - x^2 + 3x + 6

g. m^2n^2 - 3mn - n^2 - 5m^2

h. 2a^3 + a^2 - 11a + 15

i. x^5 + 3x^4 - 3x^3 - 7x^2 - 3x + 2

j. x^2 + 1/2a^2 - 1/2b^2

k. 1/2a^2 + 3/20ab - 4/6b^2

l. 2/6x^2 + 19/24y^2 + 13/12xy

m. 8/3m^3 + 1/6m^2n - 1/8mn^2 - 5/3n^3 - 1/2n