Question

3º) Resolva as expressões numéricas.
a) (12x).(-6x + 4 )=
b) (8x). (4x +13 ) + ( 6x + x - 2x) =
c) (10x). (8 - 4x +9x ) =​

Answer 1

Resposta:

a)

$72 {x}^{2} + 48x$

b)

$32 {x}^{2} + 109x$

c)

$80x + 50 {x}^{2}$