x^3+9x^2+6x-16
问题描述:
x^3+9x^2+6x-16
因式分解 追
答
x^3+9x^2+6x-16
=x^3-x^2+10x^2-10x+16x-16
=(x-1)(x^2+10x+16)
=(x-1)(x+2)(x+8)