Question 1057622
One number is 5 more than another.  The difference between their squares is 105.  What are the numbers?
----------
x = y + 5
x^2 - y^2 = 105
---
x^2 - (x^2 + 10x + 25) = 105
-10x - 25 = 105
x = ±13
y = ±8