Question

3.(x-2) - 5 (x-1)-7??? ajudemm​

Answer 1

3.(x-2) - 5 (x-1)-7

3x - 6 - 5(x-1)-7

3x - 6 - (5x-5)-7

3x - 6 - 5x+5 - 7

(3x-5x)+(-6+5-7)

-2x-8

Answer 2

Resposta:

$\huge\red {YO}$ $\huge\red {LISTEN}$ $\huge\red {UP}$

$3.(x - 2) - 5.(x - 1) - 7 =\\3x - 6 - 5x + 5 - 7 =\\3x - 5x - 6 +5 - 7 =\\-2x - 8$

Explicação passo-a-passo: