(х-2)^2+8x=(x-1)(1+x) решите плиз

Question

(х-2)^2+8x=(x-1)(1+x) решите плиз

Answer 1

X^2 - 4x+ 4 + 8x = x^2 - 1
x^2 - x^2 + 4x = - 1 - 4
4x = - 5
x = - 1,25

Answer 2

X^2-4x+4+8x-x-x^2+1+x=0
4x+5=0
4x=-5
x=-5/4