What two numbers multiply to -392 and add up to -391?

Here we answer the question: "What two numbers multiply to -392 and add up to -391?"

The answer to your question is:

-392 and 1

Below we illustrate and prove that -392 and 1 multiply to -392 and add up to -391:

-392 × 1 = -392
-392 + 1 = -391

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

x² - 391x - 392 = 0

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

(x - 392 ) (x + 1)

To summarize, since -392 and 1 multiply to -392 and add up -391, you know that the following is true:

x² - 391x - 392 = (x - 392 ) (x + 1)

Multiply To One Number and Add Up To Another
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