What 2 square numbers subtract to make 3920?

What two square numbers subtract to make 3920? In other words, when you subtract one square number from another square number, the answer is 3920. 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 = 3920

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

63² - 7² = 3920

63² is 3969 and 7² is 49, therefore the answer to the question "What 2 square numbers subtract to make 3920?" is 3969 and 49 as illustrated below:

3969 - 49 = 3920

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 3920. Below we list alternate solutions if available.

4761 - 841 = 3920
7056 - 3136 = 3920
11664 - 7744 = 3920

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