解方程4x-6=(2x-3)^2
人气:190 ℃ 时间:2020-03-28 12:26:34
解答
4x-6=(2x-3)²
2(2x-3)=(2x-3)²
(2x-3)²-2(2x-3)=0
(2x-3)(2x-3-2)=0
(2x-3)(2x-5)=0
2x-3=0 或 2x-5=0
x=3/2或x=5/2
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