What 2 square numbers subtract to make 7720?

What two square numbers subtract to make 7720? In other words, when you subtract one square number from another square number, the answer is 7720. What are the two square numbers?

First, note that a square number is what you get when you multiply a number by itself, which means that the square root of a square number will equal a whole number. Thus, this is what we are solving:

A² - B² = 7720

We solved the equation above and found this to be true:

203² - 183² = 7720

203² is 41209 and 183² is 33489, therefore the answer to the question "What 2 square numbers subtract to make 7720?" is 41209 and 33489 as illustrated below:

41209 - 33489 = 7720

Note that there may be more than one solution to a problem like this. Above, we found the lowest combination of square numbers that subtract to 7720. Below we list alternate solutions if available.

152881 - 145161 = 7720
935089 - 927369 = 7720

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