What two numbers multiply to -777 and add up to 16?

Here we answer the question: "What two numbers multiply to -777 and add up to 16?"

The answer to your question is:

-21 and 37

Below we illustrate and prove that -21 and 37 multiply to -777 and add up to 16:

-21 × 37 = -777
-21 + 37 = 16

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

x² + 16x - 777 = 0

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

(x - 21 ) (x + 37)

To summarize, since -21 and 37 multiply to -777 and add up 16, you know that the following is true:

x² + 16x - 777 = (x - 21 ) (x + 37)

Multiply To One Number and Add Up To Another
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