What 2 square numbers subtract to make 2155?

What two square numbers subtract to make 2155? In other words, when you subtract one square number from another square number, the answer is 2155. 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 = 2155

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

218² - 213² = 2155

218² is 47524 and 213² is 45369, therefore the answer to the question "What 2 square numbers subtract to make 2155?" is 47524 and 45369 as illustrated below:

47524 - 45369 = 2155

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 2155. Below we list alternate solutions if available.

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