因式分解(1)5a*a+7ab-6b*b (2)ax*x-(a*a+1)x+a

问题描述:

因式分解(1)5a*a+7ab-6b*b (2)ax*x-(a*a+1)x+a

(1)
5a² + 7ab - 6b²
= (5a - 3b)(a + 2b)
(2)
ax² -(a² + 1)x + a
= (ax - 1)(x - a)