(3-2х)^2-(5+2x)(2x+1)=-20

Question

(3-2х)^2-(5+2x)(2x+1)=-20

Answer 1

9 -12x +4x² -(12x+5+4x²)= -20

9 -12x +4x² -12x -5 -4x²= -20

4 -24x = -20

-24x = -20 -4

-24x = -24

x = 1