What 2 square numbers subtract to make 220?

What two square numbers subtract to make 220? In other words, when you subtract one square number from another square number, the answer is 220. 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 = 220

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

16² - 6² = 220

16² is 256 and 6² is 36, therefore the answer to the question "What 2 square numbers subtract to make 220?" is 256 and 36 as illustrated below:

256 - 36 = 220

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 220. Below we list alternate solutions if available.

3136 - 2916 = 220

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