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

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

The answer to your question is:

-396 and -1

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

-396 × -1 = 396
-396 + -1 = -397

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

x² - 397x + 396 = 0

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

(x - 396 ) (x - 1)

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

x² - 397x + 396 = (x - 396 ) (x - 1)

Multiply To One Number and Add Up To Another
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