(3x-1.5)^2-x^2-2(1-2x)^2=0
(1.5(2x-1))^2-2(1-2x)^2-x^2=0
2,25*(2x-1)^2-2*(2x-1)^2-x^2=0
0,25(2x-1)^2-x^2=0
0,25*(4x^2-4x+1)-x^2=0
x^2-x+0,25-x^2=0
0,25-x=0
x=0,25
(3x-1.5)^2-x^2-2(1-2x)^2=0
(1.5(2x-1))^2-2(1-2x)^2-x^2=0
2,25*(2x-1)^2-2*(2x-1)^2-x^2=0
0,25(2x-1)^2-x^2=0
0,25*(4x^2-4x+1)-x^2=0
x^2-x+0,25-x^2=0
0,25-x=0
x=0,25