What two numbers multiply to -625 and add up to -624?

Here we answer the question: "What two numbers multiply to -625 and add up to -624?"

The answer to your question is:

-625 and 1

Below we illustrate and prove that -625 and 1 multiply to -625 and add up to -624:

-625 × 1 = -625
-625 + 1 = -624

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

x² - 624x - 625 = 0

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

(x - 625 ) (x + 1)

To summarize, since -625 and 1 multiply to -625 and add up -624, you know that the following is true:

x² - 624x - 625 = (x - 625 ) (x + 1)

Multiply To One Number and Add Up To Another
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