Question

(X-2)(X+2)=-$x^{2}$+2X

Answer 1

(х+2)(х-2)+х²-2х=0
(х-2)(х+2)+х(х-2)=0
(х-2)(х+2+х)=0
х₁-2=0
х₁=2
2х₂+2=0
х₂=-1