What two numbers multiply to 800 and add up to -108?

Here we answer the question: "What two numbers multiply to 800 and add up to -108?"

The answer to your question is:

-100 and -8

Below we illustrate and prove that -100 and -8 multiply to 800 and add up to -108:

-100 × -8 = 800
-100 + -8 = -108

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

x² - 108x + 800 = 0

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

(x - 100 ) (x - 8)

To summarize, since -100 and -8 multiply to 800 and add up -108, you know that the following is true:

x² - 108x + 800 = (x - 100 ) (x - 8)

Multiply To One Number and Add Up To Another
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