Question

2x^2-3x(2x-4)+(2x-4)^2=12

Answer 1

$2x^{2}-3x(2x-4)+ (2x-4)^{2}=12 \ 2x^{2}-6x^{2}+12x+4x^{2}-16x+16=12 \ 4x=4 \ x=1$