下列因式分解错误的是:A.x-2xy+y²;=(x-y)²; B.x³-x=x(x²-1)C.x²y-xy²=xy抱歉,是下列因式分解错误的是:A.x²-2xy+y²;=(x-y)²; B.x³-x=x(x²-1)C.x²y-xy²=xy(x-y)D.x²-y²=(x-y)(x+y),请回答者注明原因
问题描述:
下列因式分解错误的是:A.x-2xy+y²;=(x-y)²; B.x³-x=x(x²-1)C.x²y-xy²=xy
抱歉,是下列因式分解错误的是:A.x²-2xy+y²;=(x-y)²; B.x³-x=x(x²-1)C.x²y-xy²=xy(x-y)D.x²-y²=(x-y)(x+y),请回答者注明原因
答