Question

x²+2xy+y²分之x²y-x³ + x-y分之x + x²-2xy+y²分之x+y

通分，步骤要全，谢谢啦

x²+2xy+y²分之x与x+y分之y

x²+4x分之x+4与x(x-5)-2(x-5)分之x-5

x-2分之1，3x+6分之1，x³-4x分之3

Answer 1

作业君找到的参考例题: 【问题】:x(x-y)的平方分之y与（y-x）的立方分之x通分，要详细过程，谢谢 【答案】:y/x(x-y)²;x/(y-x)³; ∴分母公因式为x(y-x)3; ∴y/x(x-y)²=y(y-x)/x(y-x)³;x/(y-x)³=x²/x(y-x)³;