Question

1/2 x 1/2 x (1/2 - 1/2) x (1/2 ÷ 1/2) =?​

Answer 1

Resposta:

Explicação passo a passo:

Deve ser : (x+2)/ 2 + 2/(x-2) = -1/2

mmc = 2(x-2)

(x-2)(x+2) + 4 = - (x-2)

x^2 -2x + 2x - 4 + 4 = -x + 2

x^2 +x - 2 = 0

x' = -2 e x" = -1