Question

Calcule os produtos:

a) 3(x + y)

b) 7(x - 2y)

d) 4x(a + b)

g) (3x + 2) . (2x + 1)

p) ( x -1) . (x-2) . (x-3)

Answer 1

Boa tarde 

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

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

d) 4x(a + b) = 4ax + 4bx

g) (3x + 2) . (2x + 1) = 6x²  + 7x + 2

p) ( x -1) . (x-2) . (x-3) = x³ -  6x² + 11x - 6