What 2 square numbers subtract to make 231?

What two square numbers subtract to make 231? In other words, when you subtract one square number from another square number, the answer is 231. 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 = 231

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

16² - 5² = 231

16² is 256 and 5² is 25, therefore the answer to the question "What 2 square numbers subtract to make 231?" is 256 and 25 as illustrated below:

256 - 25 = 231

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 231. Below we list alternate solutions if available.

400 - 169 = 231
1600 - 1369 = 231
13456 - 13225 = 231

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