What two numbers multiply to 978 and add up to -979?

Here we answer the question: "What two numbers multiply to 978 and add up to -979?"

The answer to your question is:

-978 and -1

Below we illustrate and prove that -978 and -1 multiply to 978 and add up to -979:

-978 × -1 = 978
-978 + -1 = -979

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

x² - 979x + 978 = 0

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

(x - 978 ) (x - 1)

To summarize, since -978 and -1 multiply to 978 and add up -979, you know that the following is true:

x² - 979x + 978 = (x - 978 ) (x - 1)

Multiply To One Number and Add Up To Another
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