Question

(x-2)^2-2(x+1)^2=(3-x)(3+x) срочно пж

Answer 1

(x-2)^2-2(x+1)^2=(3-x)(3+x)
х^2-4х+4-2х^2-4х-2=9-х^2
-8х=7
х=-7/8