What two numbers multiply to -798 and add up to 17?

Here we answer the question: "What two numbers multiply to -798 and add up to 17?"

The answer to your question is:

-21 and 38

Below we illustrate and prove that -21 and 38 multiply to -798 and add up to 17:

-21 × 38 = -798
-21 + 38 = 17

Are you asking because you are trying to figure out how to factor the following quadratic equation?

x² + 17x - 798 = 0

If so, the solution to factor the quadratic equation above is:

(x - 21 ) (x + 38)

To summarize, since -21 and 38 multiply to -798 and add up 17, you know that the following is true:

x² + 17x - 798 = (x - 21 ) (x + 38)

Multiply To One Number and Add Up To Another
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