What 2 square numbers subtract to make 7716?

What two square numbers subtract to make 7716? In other words, when you subtract one square number from another square number, the answer is 7716. 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 = 7716

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

646² - 640² = 7716

646² is 417316 and 640² is 409600, therefore the answer to the question "What 2 square numbers subtract to make 7716?" is 417316 and 409600 as illustrated below:

417316 - 409600 = 7716

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 7716. Below we list alternate solutions if available.

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