Question

One number is two more than another. the difference between their squares is 56 what are the numbers?

Answer 1

Let unknow be = a
(a+2)^2-a^2=56
a^2+4a+4-a^2=56
4a+4=56
4a=52
a=13
b=13+2
=15

Hence, the numbers are 13 and 15