4(x+1)²-9(2x-1)²=0 用因式法

4(x+1)²-9(2x-1)²=0 用因式法
4(x+1)²-9(2x-1)²=0 用因式法

4(x+1)²-9(2x-1)²=0 用因式法
4(X+1)^2-9(2X-1)^2=0
[2(x+1)]^2-[3(2x-1)]^2=0
(2x+2)^2-(6x-3)^2=0
(2x+2-6x+3)(2x+2+6x-3)=0
(5-4x)(8x-1)=0
5-4x=0或8x-1=0
x=5/4或x=1/8
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