当x=-3/2时求整式(2x-1)²-(3x+1)(3x-1)+5x(x-1)

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/27 18:19:28
当x=-3/2时求整式(2x-1)²-(3x+1)(3x-1)+5x(x-1)

当x=-3/2时求整式(2x-1)²-(3x+1)(3x-1)+5x(x-1)
当x=-3/2时求整式(2x-1)²-(3x+1)(3x-1)+5x(x-1)

当x=-3/2时求整式(2x-1)²-(3x+1)(3x-1)+5x(x-1)
(2x-1)²-(3x+1)(3x-1)+5x(x-1)
=4x²-4x+1-9x²+1+5x²-5x
=2-9x
=2-9*(-3/2)
=15.5