Question

05) Calcule:
A)(5×+3).(6×+8)

B)(6a-6).8a+6)

C)(9x-8.(9x+8)

d) (8x+7).(9x+6)​

Answer 1

Resposta:

A)(5×+3).(6×+8)

=30x²+58x+24

B)(6a-6).8a+6)

=48a²−12a−36

C)(9x-8.(9x+8)

=81x²−64

d) (8x+7).(9x+6)​

=72x²+111x+42

Explicação passo a passo: