(X+10)/15*(X-15)=2X-10
(x+10)(x-15)=15(2x-10)
x²-5x-150=30x-150
x²-35x=0
x(x-35)=0
x=0或x=35
验根：经检验x=0或x=35是原方程的根
(X+10)/15*(X-15)=2X-10 X=?
1个回答
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