问题
解答题
分解因式:
(1)x3-6x2+5x
(2)a2(a-b)+b2(b-a)
答案
(1)原式=x(x2-6x+5)
=x(x-1)(x-5);
(2)原式=a2(a-b)-b2(a-b)
=(a-b)(a2-b2)
=(a-b)2(a+b).
分解因式:
(1)x3-6x2+5x
(2)a2(a-b)+b2(b-a)
(1)原式=x(x2-6x+5)
=x(x-1)(x-5);
(2)原式=a2(a-b)-b2(a-b)
=(a-b)(a2-b2)
=(a-b)2(a+b).