What two numbers multiply to -657 and add up to -656?

Here we answer the question: "What two numbers multiply to -657 and add up to -656?"

The answer to your question is:

-657 and 1

Below we illustrate and prove that -657 and 1 multiply to -657 and add up to -656:

-657 × 1 = -657
-657 + 1 = -656

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

x² - 656x - 657 = 0

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

(x - 657 ) (x + 1)

To summarize, since -657 and 1 multiply to -657 and add up -656, you know that the following is true:

x² - 656x - 657 = (x - 657 ) (x + 1)

Multiply To One Number and Add Up To Another
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