用因式分解法解下列方程(1)2x²-3x=0(2)x²-8x+12=0(3)x²-2x+1=0
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用因式分解法解下列方程(1)2x²-3x=0(2)x²-8x+12=0(3)x²-2x+1=0
用因式分解法解下列方程(1)2x²-3x=0(2)x²-8x+12=0(3)x²-2x+1=0
用因式分解法解下列方程(1)2x²-3x=0(2)x²-8x+12=0(3)x²-2x+1=0
1.
2x²-3x=0
x(2x-3)=0
x=0或x=3/2
2.
x²-8x+12=0
(x-2)(x-6)=0
x=2或x=6
3.
x²-2x+1=0
(x-1)²=0
x=1