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