6x^n+1-14x^n+8x^n-1因式分解
问题描述：
6x^n+1-14x^n+8x^n-1因式分解
答
6x^n+1-14x^n+8x^n-1
=2x^n-1*(3x^2-7x+4)
=2x^n-1*(3x-4)(x-1)