Question

resolva a equação;
6x(2x+4)=(2x+2).(2x+12)

Answer 1

6x(2c-4)=(2x+2)*2x+12)
12x^2+24=4x^2+24x+4x+24
12x^2+24x=4x^2+28x+24
12x^2-4x^2+24x-28x-24=0
8x^2-4x-24=0(÷4)
2x^2-x-6=0
(2x-3)(x+2)=0
2x-3=0》2x=3》x=3/2
x-2=0》x=2