Question

a) 3 . (x+y) = b) 7 . (x - 2y) =
c) 2x . (x+y)= d) 4x . (a+b) =

Answer 1

Resposta:

a) 3( x + y) = 3x + 3y

b) 7( x - 2y) = 7x - 14y

c) 2x ( x + y) = 2$x^{2}$ + 2xy

d) 4x ( a + b) = 4xa + 4xb