化简求解,已知x=三分之一,求6x²-(2x-1)(3x-2)+(x+3)(x-2)

问题描述:

化简求解,已知x=三分之一,求6x²-(2x-1)(3x-2)+(x+3)(x-2)

6x²-(2x-1)(3x-2)+(x+3)(x-2)
=x²+8x-8
= - 47 / 9