Question

(A) x²-5x+6=0 (B) x²-8x+12=0 (C) x²+2x-8=0 (D) x²-8x+8=0 (E) 2x²-8x+8=0 (F) x2-4x-5=0 (G) x2-6x+5=0

Answer 1

Resposta:

A) 2x + -5x= -3x

-3x =+6

x=6-:3=3

x=+3

Explicação passo-a-passo: