What 2 square numbers subtract to make 1780?

What two square numbers subtract to make 1780? In other words, when you subtract one square number from another square number, the answer is 1780. 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 = 1780

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

94² - 84² = 1780

94² is 8836 and 84² is 7056, therefore the answer to the question "What 2 square numbers subtract to make 1780?" is 8836 and 7056 as illustrated below:

8836 - 7056 = 1780

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 1780. Below we list alternate solutions if available.

198916 - 197136 = 1780

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