(a-b)²(a+b)³-(b-a)²(b+a)²(分解因式)
2(a-b)²-a+b-x²(m-n)^5-xy(n-m)³35ab(x-y)²-25a²b²(y-x)...
2(a-b)²-a+b -x²(m-n)^5-xy(n-m)³ 35ab(x-y)²-25a²b²(y-x)²+10ab³(y-x)³ (都是分解因式)
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解:
(a-b)²(a+b)² -(b-a)²(b+a)²
= (a-b)²(a+b)² -(a-b)²(a+b)²
= 0
(a-b)² -a+b
= (a-b)² -(a-b)
= (a-b)(a-b-1)
-x²(m-n)^5 -xy(n-m)^3
= xy(m-n)^3 -x²(m-n)^5
= x(m-n)^3(y-x(m-n)²)
35ab(x-y)²-25a²b²(y-x)²+10ab³(y-x)³
= 35ab(x-y)² -25a²b²(x-y)² -10ab³ (x-y)³
= 5ab(x-y)²[7-5ab-2b²(x-y)]
(a-b)²(a+b)² -(b-a)²(b+a)²
= (a-b)²(a+b)² -(a-b)²(a+b)²
= 0
(a-b)² -a+b
= (a-b)² -(a-b)
= (a-b)(a-b-1)
-x²(m-n)^5 -xy(n-m)^3
= xy(m-n)^3 -x²(m-n)^5
= x(m-n)^3(y-x(m-n)²)
35ab(x-y)²-25a²b²(y-x)²+10ab³(y-x)³
= 35ab(x-y)² -25a²b²(x-y)² -10ab³ (x-y)³
= 5ab(x-y)²[7-5ab-2b²(x-y)]
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