(x的平方-x)(x平方-x-10)-24

问题描述:

(x的平方-x)(x平方-x-10)-24

(x^2-x)(x^2-x-10)-24
=(x^2-x)^2-10(x^2-x)-24
=(x^2-x-12)(x^2-x+2)
=(x-4)(x+3)(x^2-x+2)