4(x-1)²-9(3-2x)²=0

4(x-1)²-9(3-2x)²=0
4(x-1)²-9(3-2x)²=0

4(x-1)²-9(3-2x)²=0
答：平方差公式
4(x-1)^2-9(3-2x)^2=0
(2x-2)^2-(9-6x)^2=0
(2x-2+9-6x)(2x-2-9+6x)=0
(7-4x)(8x-11)=0
解得：x1=7/4,x2=11/8