What two numbers multiply to -879 and add up to -878?

Here we answer the question: "What two numbers multiply to -879 and add up to -878?"

The answer to your question is:

-879 and 1

Below we illustrate and prove that -879 and 1 multiply to -879 and add up to -878:

-879 × 1 = -879
-879 + 1 = -878

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

x² - 878x - 879 = 0

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

(x - 879 ) (x + 1)

To summarize, since -879 and 1 multiply to -879 and add up -878, you know that the following is true:

x² - 878x - 879 = (x - 879 ) (x + 1)

Multiply To One Number and Add Up To Another
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