因式分解:(x^2一3x)^2一2(x^2一3x)一8
问题描述:
因式分解:(x^2一3x)^2一2(x^2一3x)一8
答
(x^2一3x+2)(x^2一3x-4)
=(x-1)(x-2) (X+1)(X-4)