多项式6x3-11x2+x+4可分解为_.
问题描述:
多项式6x3-11x2+x+4可分解为______.
答
6x3-11x2+x+4,
=6x3-6x2-5x2+x+4,
=6x2(x-1)-(5x2-x-4),
=6x2(x-1)-(x-1)(5x+4),
=(x-1)(6x2-5x-4),
=(x-1)(3x-4)(2x+1).