What two numbers multiply to -512 and add up to -511?

Here we answer the question: "What two numbers multiply to -512 and add up to -511?"

The answer to your question is:

-512 and 1

Below we illustrate and prove that -512 and 1 multiply to -512 and add up to -511:

-512 × 1 = -512
-512 + 1 = -511

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

x² - 511x - 512 = 0

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

(x - 512 ) (x + 1)

To summarize, since -512 and 1 multiply to -512 and add up -511, you know that the following is true:

x² - 511x - 512 = (x - 512 ) (x + 1)

Multiply To One Number and Add Up To Another
Did you find the information on this page useful? Here you can solve a similar problem.