Question

а) (x + 2)^2 = 2x + 4
б) (3y - x)^2 = 9y - 2x

Answer 1

1)
(x+2)^2=(x-4)^2
x^2+4x+4=x^2-8x+16
4x+8x=16-4
12x=12
x=1