Question

Найти корень уравнения X^2+5=(x+5)^2

Answer 1

x^2 + 5 = (x + 5)^2
x^2 + 5 = x^2 + 10x + 25 
10x + 25 = 5
10x = 5 - 25
10x = -20
x = -2
Ответ: x = -2

Answer 2

х^2+5=х^2+10х+25
-10х=20
х=-2