What 2 square numbers subtract to make 245?

What two square numbers subtract to make 245? In other words, when you subtract one square number from another square number, the answer is 245. 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 = 245

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

21² - 14² = 245

21² is 441 and 14² is 196, therefore the answer to the question "What 2 square numbers subtract to make 245?" is 441 and 196 as illustrated below:

441 - 196 = 245

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 245. Below we list alternate solutions if available.

729 - 484 = 245
15129 - 14884 = 245

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What 2 square numbers subtract to make 246?
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