What 2 square numbers subtract to make 1220?

What two square numbers subtract to make 1220? In other words, when you subtract one square number from another square number, the answer is 1220. 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 = 1220

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

66² - 56² = 1220

66² is 4356 and 56² is 3136, therefore the answer to the question "What 2 square numbers subtract to make 1220?" is 4356 and 3136 as illustrated below:

4356 - 3136 = 1220

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 1220. Below we list alternate solutions if available.

93636 - 92416 = 1220

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