Question

(x-2)(x+4)=x^2
помогите

Answer 1

( X - 2 )•( X + 4 ) = x^2
X^2 + 4x - 2x - 8 = x^2
2x = 8
X = 4

Answer 2

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