What two numbers multiply to 520 and add up to -109?

Here we answer the question: "What two numbers multiply to 520 and add up to -109?"

The answer to your question is:

-104 and -5

Below we illustrate and prove that -104 and -5 multiply to 520 and add up to -109:

-104 × -5 = 520
-104 + -5 = -109

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

x² - 109x + 520 = 0

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

(x - 104 ) (x - 5)

To summarize, since -104 and -5 multiply to 520 and add up -109, you know that the following is true:

x² - 109x + 520 = (x - 104 ) (x - 5)

Multiply To One Number and Add Up To Another
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