What two numbers multiply to 998 and add up to -999?

Here we answer the question: "What two numbers multiply to 998 and add up to -999?"

The answer to your question is:

-998 and -1

Below we illustrate and prove that -998 and -1 multiply to 998 and add up to -999:

-998 × -1 = 998
-998 + -1 = -999

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

x² - 999x + 998 = 0

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

(x - 998 ) (x - 1)

To summarize, since -998 and -1 multiply to 998 and add up -999, you know that the following is true:

x² - 999x + 998 = (x - 998 ) (x - 1)

Multiply To One Number and Add Up To Another
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