来自梁刘红的问题
一元二次方程5(x^2-x)=3(x^2+x)
一元二次方程
5(x^2-x)=3(x^2+x)
1回答
2020-03-08 23:13
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蒋承东
5x^2-3x^2-3x-5x=0
2x^2-8x=0
x^2-4x=0
x=0或x=4
2020-03-08 23:18:39
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