x = –5
x = –25
x = 5 or –5
no solution

Answer:
x = 5 or –5
Step-by-step explanation:
x^2 25
------- = ------
x+5 x+5
Using cross products
x^2 (x+5) = 25 (x+5)
Divide each side by (x+5)
x^2 (x+5)/(x+5) = 25 (x+5)/(x+5)
x^2 = 25
Take the square root of each side
sqrt(x^2) = ±sqrt(25)
x = ±5