What two numbers multiply to -629 and add up to -628?

Here we answer the question: "What two numbers multiply to -629 and add up to -628?"

The answer to your question is:

-629 and 1

Below we illustrate and prove that -629 and 1 multiply to -629 and add up to -628:

-629 × 1 = -629
-629 + 1 = -628

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

x² - 628x - 629 = 0

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

(x - 629 ) (x + 1)

To summarize, since -629 and 1 multiply to -629 and add up -628, you know that the following is true:

x² - 628x - 629 = (x - 629 ) (x + 1)

Multiply To One Number and Add Up To Another
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