What two numbers multiply to -397 and add up to -396?

Here we answer the question: "What two numbers multiply to -397 and add up to -396?"

The answer to your question is:

-397 and 1

Below we illustrate and prove that -397 and 1 multiply to -397 and add up to -396:

-397 × 1 = -397
-397 + 1 = -396

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

x² - 396x - 397 = 0

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

(x - 397 ) (x + 1)

To summarize, since -397 and 1 multiply to -397 and add up -396, you know that the following is true:

x² - 396x - 397 = (x - 397 ) (x + 1)

Multiply To One Number and Add Up To Another
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