Question

One number is 7 more than another. The difference between their squares is 231. What are the numbers?

Answer 1

Let the smaller number be x & larger number be y then

y= x+7 .......(1)
\[y^2-x^2=231......(2)\]

solve this two equation for x & y

Answer 2

so x(x+7)=231

Answer 3

when it says the difference between their squares is 231 it means that when u square the numbers after u find them the difference between them is 231 it never said what the sum is for their squares

Answer 4

The difference between the squares of number means y^2-x^2

Answer 5

=231.....