题目内容
(1)-xy2(x+y)3+x(x+y)2的公因式是______;
(2)4x(m-n)+8y(n-m)2的公因式是______.
(2)4x(m-n)+8y(n-m)2的公因式是______.
(1)-xy2(x+y)3+x(x+y)2的公因式是x(x+y)2;
(2)4x(m-n)+8y(n-m)2的公因式是4(m-n).
故答案为:4(m-n)x(x+y)2.
(2)4x(m-n)+8y(n-m)2的公因式是4(m-n).
故答案为:4(m-n)x(x+y)2.
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