2(2X-3)^2=4X^2-9
2(2x-3)²-(4x²-3²)=0
2(2x-3)²-(2x-3)(2x+3)=0
(2x-3)(4x-6-2x-3)=0
(2x-3)(2x-9)=0
x=3/2或x=9/2