因式分解:a²-2ab+b²-3a+3b-10

问题描述:

因式分解:a²-2ab+b²-3a+3b-10

(a-b+2)(a-b-5)

a²-2ab+b²-3a+3b-10
=(a-b)^2-3(a-b)-10
=(a-b-5)(a-b+3)