x^2+210x+10000

问题描述:

x^2+210x+10000

盛夏D承诺,你好!
x^2+210x+10000
=(x+105)^2-1025
=(x+105-5√41)(x+105+5√41)

x^2+210x+10000=(x+105+5倍根号41)(x+105-5倍根号41)