Решите уравнение(2x-3)(2x+3)-(2x-1)^2=0

Question

Решите уравнение(2x-3)(2x+3)-(2x-1)^2=0

Answer 1

4x+6x-6x-9-2x^2+4x-1=0
4x-9-4x+4x+1=0
4x-8=0
x=8\4
x=2

Answer 2

4x^2-9-(4x^2+1-4x)=0
-9-1+4x=0
4x=10
x=5/2