What two numbers multiply to -424 and add up to -423?

Here we answer the question: "What two numbers multiply to -424 and add up to -423?"

The answer to your question is:

-424 and 1

Below we illustrate and prove that -424 and 1 multiply to -424 and add up to -423:

-424 × 1 = -424
-424 + 1 = -423

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

x² - 423x - 424 = 0

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

(x - 424 ) (x + 1)

To summarize, since -424 and 1 multiply to -424 and add up -423, you know that the following is true:

x² - 423x - 424 = (x - 424 ) (x + 1)

Multiply To One Number and Add Up To Another
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