Question

CALCULE AS RAIZES DA EQUAÇAO

(X-2) . (X+4)=2 .(X+4) ME AJUDEM POR FAVOR

Answer 1

(x - 2).( x + 4) = 2(x + 4)
x² + 4x - 2x - 8 = 2x + 8
x² + 2x - 8 = 2x + 8
x² + 2x - 2x = 8 + 8
x² + 0 = 16
x² = 16
x = √16
x = +/- 4

R.: 
x = + 4
x = - 4