4x2-3x3-x-4+2x3+3x+x3+p,其中x=1.5

问题描述:

4x2-3x3-x-4+2x3+3x+x3+p,其中x=1.5
求值

4x2-3x3-x-4+2x3+3x+x3+p
=4x2+2x-4+p
=9+3-4+p
=8+p