Question

(х+5)^2+(x-10)^2=2х^2

Решить уравнение

Answer 1

X^2 + 10X + 25 + X^2 - 20X + 100 = 2X^2 
2X^2 - 2X^2 - 10X + 125 = 0
10X = 125
X = 12.5