What 2 square numbers subtract to make 7173?

What two square numbers subtract to make 7173? In other words, when you subtract one square number from another square number, the answer is 7173. 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 = 7173

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

403² - 394² = 7173

403² is 162409 and 394² is 155236, therefore the answer to the question "What 2 square numbers subtract to make 7173?" is 162409 and 155236 as illustrated below:

162409 - 155236 = 7173

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 7173. Below we list alternate solutions if available.

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