What two numbers multiply to 620 and add up to -129?

Here we answer the question: "What two numbers multiply to 620 and add up to -129?"

The answer to your question is:

-124 and -5

Below we illustrate and prove that -124 and -5 multiply to 620 and add up to -129:

-124 × -5 = 620
-124 + -5 = -129

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

x² - 129x + 620 = 0

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

(x - 124 ) (x - 5)

To summarize, since -124 and -5 multiply to 620 and add up -129, you know that the following is true:

x² - 129x + 620 = (x - 124 ) (x - 5)

Multiply To One Number and Add Up To Another
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