What two numbers multiply to -511 and add up to -510?

Here we answer the question: "What two numbers multiply to -511 and add up to -510?"

The answer to your question is:

-511 and 1

Below we illustrate and prove that -511 and 1 multiply to -511 and add up to -510:

-511 × 1 = -511
-511 + 1 = -510

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

x² - 510x - 511 = 0

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

(x - 511 ) (x + 1)

To summarize, since -511 and 1 multiply to -511 and add up -510, you know that the following is true:

x² - 510x - 511 = (x - 511 ) (x + 1)

Multiply To One Number and Add Up To Another
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