What two numbers multiply to -781 and add up to -780?

Here we answer the question: "What two numbers multiply to -781 and add up to -780?"

The answer to your question is:

-781 and 1

Below we illustrate and prove that -781 and 1 multiply to -781 and add up to -780:

-781 × 1 = -781
-781 + 1 = -780

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

x² - 780x - 781 = 0

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

(x - 781 ) (x + 1)

To summarize, since -781 and 1 multiply to -781 and add up -780, you know that the following is true:

x² - 780x - 781 = (x - 781 ) (x + 1)

Multiply To One Number and Add Up To Another
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