What two numbers multiply to -515 and add up to -514?

Here we answer the question: "What two numbers multiply to -515 and add up to -514?"

The answer to your question is:

-515 and 1

Below we illustrate and prove that -515 and 1 multiply to -515 and add up to -514:

-515 × 1 = -515
-515 + 1 = -514

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

x² - 514x - 515 = 0

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

(x - 515 ) (x + 1)

To summarize, since -515 and 1 multiply to -515 and add up -514, you know that the following is true:

x² - 514x - 515 = (x - 515 ) (x + 1)

Multiply To One Number and Add Up To Another
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