解方程 (X-5)^2+【5-(X-5)*(X-5)】*4=100
问题描述:
解方程 (X-5)^2+【5-(X-5)*(X-5)】*4=100
答
(x-5)²+20-4(x-5)²=100
3(x-5)²=-80
(x-5)²=-80/3无解