Question

a) (2x²-9x+2)+(3x²+7x-1)
b) (5x²+5x-8)+(-2x²+3x-2)
c) (3x-6y+4)+(4x+2y-2)
d) (5x²-7x+2)+(2x²+7x-1)
e) (4x+3y+1)+(6x-2y-9)

Answer 1

Resposta:

A) 5x²-2x-1

B)-3x²+8x-10

C)7x-4y-2

D)5x²+x-1

E)10x-1y-8

Explicação passo-a-passo: