Question

Решите уравнение
(x-5)^2=(x+10)^2

Answer 1

x^2 - 10x + 25 = x^2 + 20x + 100
- 10x + 25 = 20x + 100
- 10x - 20x = 100 - 25
- 30x = 75
x = - 75/30
x = - 2,5