Question

(x+1)квадрат=(2-x)квадрат

Answer 1

х^2+2х+1=4-4х+х^2
6х=3
х=0,5

Answer 2

(x+1)^2=(2-x)^2 
x^2+2x+1=4-4x+x^2
x^2-x^2+2x+4x=4-1
6x=3
x=1/2