Question

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

Answer 1

Resposta:

a) 3x+1

b) 11x-10

c) 7x-3y+2

d) 2x²-11x+8