计算:24[1/8(3x-1+x^2)-2/3(x^3-2x^2+3)-x]

问题描述:

计算:24[1/8(3x-1+x^2)-2/3(x^3-2x^2+3)-x]

24[1/8(3x-1+x^2)-2/3(x^3-2x^2+3)-x]
=3(3x-1+x²)-16(x³-2x²+3)-24x
=9x-3+3x²-16x³+32x²-48-24x
=-16x³+35x²-15x-51