Question

1) Calcule
a) 4.(x - 5)
b) 3a (a - 1) =
c) 2x (x - y) =
d) x (1x - 4) =​

Answer 1

Explicação passo-a-passo:

a) 4x-20

b) 3a²- 3a

c) 2x²-2xy

d) x²-4x