What two numbers multiply to -422 and add up to -421?

Here we answer the question: "What two numbers multiply to -422 and add up to -421?"

The answer to your question is:

-422 and 1

Below we illustrate and prove that -422 and 1 multiply to -422 and add up to -421:

-422 × 1 = -422
-422 + 1 = -421

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

x² - 421x - 422 = 0

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

(x - 422 ) (x + 1)

To summarize, since -422 and 1 multiply to -422 and add up -421, you know that the following is true:

x² - 421x - 422 = (x - 422 ) (x + 1)

Multiply To One Number and Add Up To Another
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