分解因式:①4x²-100 ②x²y(x-y)²-2xy(y-x)³要有完整过程和条理性,
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分解因式:①4x²-100 ②x²y(x-y)²-2xy(y-x)³要有完整过程和条理性,
分解因式:①4x²-100 ②x²y(x-y)²-2xy(y-x)³
要有完整过程和条理性,
分解因式:①4x²-100 ②x²y(x-y)²-2xy(y-x)³要有完整过程和条理性,
①4x²-100
=4(x²-25)
=4(x+5)(x-5)
②x²y(x-y)²-2xy(y-x)³
=x²y(x-y)²+2xy(x-y)³
=xy(x-y)²[x+2(x-y)]
=xy(x-y)²(3x-2y)