What 2 square numbers subtract to make 6489?

What two square numbers subtract to make 6489? In other words, when you subtract one square number from another square number, the answer is 6489. 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 = 6489

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

83² - 20² = 6489

83² is 6889 and 20² is 400, therefore the answer to the question "What 2 square numbers subtract to make 6489?" is 6889 and 400 as illustrated below:

6889 - 400 = 6489

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 6489. Below we list alternate solutions if available.

27225 - 20736 = 6489
133225 - 126736 = 6489
218089 - 211600 = 6489

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