Question

1) Resolva as multiplicações:

a) 4x(2x-3y ) =

b) 2x(x+y) =

c) 4x (a+b) =

d) 2x(x²-2x+5) =​

Answer 1

Resposta:

8x² - 12xy

2x² + 2xy

4xa + 4xb

2x³ - 4x² + 10 x