Question

(x+8)(x+4)=2*(x 2+4x)

Answer 1

$(x+8)*(x+4)=2(x^{2} +4x) x^{2} +4x+8x+32=2x^{2} +8x x^{2} -2x^{2} +4x+8x-8x+32=0 -x^{2} +4x+32=0 x^{2} -4x-32=0 (x-8)(x+4)$

$x1= -4 x2= 8$