What two numbers multiply to -491 and add up to -490?

Here we answer the question: "What two numbers multiply to -491 and add up to -490?"

The answer to your question is:

-491 and 1

Below we illustrate and prove that -491 and 1 multiply to -491 and add up to -490:

-491 × 1 = -491
-491 + 1 = -490

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

x² - 490x - 491 = 0

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

(x - 491 ) (x + 1)

To summarize, since -491 and 1 multiply to -491 and add up -490, you know that the following is true:

x² - 490x - 491 = (x - 491 ) (x + 1)

Multiply To One Number and Add Up To Another
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