Question

Помогите решить
2х²-4х+12=х²+3х

Answer 1

2х²-4х+12=х²+3х

2х²-4х+12-х²-3х=0

х²-7x=12=0

х²-3x-4x+12=0

х*(x-3)-4*(x-3)=0

(x-3)*(x-4)=0

x-3=0

x-4=0

x=3 x=4