用因式分解法解释下列方程(2a-1)^2=0(2x-5)^2=94x^2-(x-1)^2=0

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用因式分解法解释下列方程(2a-1)^2=0(2x-5)^2=94x^2-(x-1)^2=0

用因式分解法解释下列方程(2a-1)^2=0(2x-5)^2=94x^2-(x-1)^2=0
用因式分解法解释下列方程
(2a-1)^2=0
(2x-5)^2=9
4x^2-(x-1)^2=0

用因式分解法解释下列方程(2a-1)^2=0(2x-5)^2=94x^2-(x-1)^2=0
(2a-1)^2=0
2a-1=0
a=1/2
(2x-5)^2=9
(2x-5)^2-3^2=0
(2x-5+3)(2x-5-3)=0
(2x-2)(2x-8)=0
4(x-1)(x-4)=0
x=1,x=4
4x^2-(x-1)^2=0
(2x+x-1)(2x-1+1)=0
(3x-1)*2x=0
x=1/3,x=0