5(x2-x)=3(x2+x)
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5(x2-x)=3(x2+x)5(x2-x)=3(x2+x)5(x2-x)=3(x2+x)5(x2-x)=3(x2+x)5x^2-3x^2-5x-3x=02x^2-8x=02x(x-4)=02x=0x
5(x2-x)=3(x2+x)
5(x2-x)=3(x2+x)
5(x2-x)=3(x2+x)
5(x2-x)=3(x2+x)
5x^2-3x^2-5x-3x=0
2x^2-8x=0
2x(x-4)=0
2x=0
x=0
x-4=0
x=4
5(x2-x)=3(x2+x)
解:5x^2-5x=3x^2+3x
2x^2-8x=0
2x(x-4)=0
2x=0
x1=0
x-4=0
x2=4
5(x2-x)=3(x2+x)
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