2x(x-1)=4x-3 求x

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2x(x-1)=4x-3 求x
2x(x-1)=4x-3 求x

2x(x-1)=4x-3 求x
(3+√3)/2或(3-√3)/2

2x(x-1)=4x-3
2x-2=4x-3
1=3x-2x
x=0.5

2x^2-2x=4x-3
2x^2-6x+3=0
x^2-3x+1.5=0
x^2-3x+1.5^2-1.5^2+1.5=0
(x-1.5)^2-0.75=0
(x-1.5)^2=0.75
x-1.5=±0.75^0.5
x=1.5±0.75^0.5
x=3/2±√3/2
中间不想打分数和√就用 小数 和 ^0.5 代替了。

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