(3-2x)^2-(2x-5)(2x+5)=0
9-12х+4x^2-(4x^2+10x-10x-25)=0 9-12х+4x^2-(4x^2-25)=0 9-12х+4x^2-4x^2+25=0 9+25=12x 34=12x x=34/12=17/6=2 (5/6)
Решите задачу: