把下列多项式因式分解:(1)4x²-20xy+25y²(2)9-12(x-y)+4(x-y)²
问题描述:
把下列多项式因式分解:
(1)4x²-20xy+25y²
(2)9-12(x-y)+4(x-y)²
答
把下列多项式因式分解:
(1)4x²-20xy+25y²
(2)9-12(x-y)+4(x-y)²