What two numbers multiply to -628 and add up to -627?

Here we answer the question: "What two numbers multiply to -628 and add up to -627?"

The answer to your question is:

-628 and 1

Below we illustrate and prove that -628 and 1 multiply to -628 and add up to -627:

-628 × 1 = -628
-628 + 1 = -627

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

x² - 627x - 628 = 0

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

(x - 628 ) (x + 1)

To summarize, since -628 and 1 multiply to -628 and add up -627, you know that the following is true:

x² - 627x - 628 = (x - 628 ) (x + 1)

Multiply To One Number and Add Up To Another
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