What two numbers multiply to 809 and add up to -810?

Here we answer the question: "What two numbers multiply to 809 and add up to -810?"

The answer to your question is:

-809 and -1

Below we illustrate and prove that -809 and -1 multiply to 809 and add up to -810:

-809 × -1 = 809
-809 + -1 = -810

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

x² - 810x + 809 = 0

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

(x - 809 ) (x - 1)

To summarize, since -809 and -1 multiply to 809 and add up -810, you know that the following is true:

x² - 810x + 809 = (x - 809 ) (x - 1)

Multiply To One Number and Add Up To Another
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