What two numbers multiply to 800 and add up to -801?

Here we answer the question: "What two numbers multiply to 800 and add up to -801?"

The answer to your question is:

-800 and -1

Below we illustrate and prove that -800 and -1 multiply to 800 and add up to -801:

-800 × -1 = 800
-800 + -1 = -801

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

x² - 801x + 800 = 0

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

(x - 800 ) (x - 1)

To summarize, since -800 and -1 multiply to 800 and add up -801, you know that the following is true:

x² - 801x + 800 = (x - 800 ) (x - 1)

Multiply To One Number and Add Up To Another
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