解计算题,写出详细步骤:(1/2x+5)^2-(1/2x-5)^2

问题描述:

解计算题,写出详细步骤:(1/2x+5)^2-(1/2x-5)^2

(1/2x+5)^2-(1/2x-5)^2
=(1/2x+5+1/2x-5)(1/2x+5-1/2x+5)
=x*10
=10x