What two numbers multiply to 819 and add up to -820?

Here we answer the question: "What two numbers multiply to 819 and add up to -820?"

The answer to your question is:

-819 and -1

Below we illustrate and prove that -819 and -1 multiply to 819 and add up to -820:

-819 × -1 = 819
-819 + -1 = -820

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

x² - 820x + 819 = 0

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

(x - 819 ) (x - 1)

To summarize, since -819 and -1 multiply to 819 and add up -820, you know that the following is true:

x² - 820x + 819 = (x - 819 ) (x - 1)

Multiply To One Number and Add Up To Another
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