What two numbers multiply to -656 and add up to -655?

Here we answer the question: "What two numbers multiply to -656 and add up to -655?"

The answer to your question is:

-656 and 1

Below we illustrate and prove that -656 and 1 multiply to -656 and add up to -655:

-656 × 1 = -656
-656 + 1 = -655

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

x² - 655x - 656 = 0

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

(x - 656 ) (x + 1)

To summarize, since -656 and 1 multiply to -656 and add up -655, you know that the following is true:

x² - 655x - 656 = (x - 656 ) (x + 1)

Multiply To One Number and Add Up To Another
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