数学题一道,速度!化简求值题!

问题描述:

数学题一道,速度!化简求值题!
若x= 一又1/2,(1-2x)²(2x+1)²-(3+2x)²(3-2x)²
有过程.

(1-2x)²(2x+1)²-(3+2x)²(3-2x)²=[(1-2x)(1+2x)]²-[(3+2x)(3-2x)]²=(1-4x²)²-(9-4x²)²=(1-4x²+9-4x²)(1-4x²-9+4x²)=(10-8x²)(-8...