What two numbers multiply to 979 and add up to -980?

Here we answer the question: "What two numbers multiply to 979 and add up to -980?"

The answer to your question is:

-979 and -1

Below we illustrate and prove that -979 and -1 multiply to 979 and add up to -980:

-979 × -1 = 979
-979 + -1 = -980

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

x² - 980x + 979 = 0

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

(x - 979 ) (x - 1)

To summarize, since -979 and -1 multiply to 979 and add up -980, you know that the following is true:

x² - 980x + 979 = (x - 979 ) (x - 1)

Multiply To One Number and Add Up To Another
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