What two numbers multiply to -489 and add up to -488?

Here we answer the question: "What two numbers multiply to -489 and add up to -488?"

The answer to your question is:

-489 and 1

Below we illustrate and prove that -489 and 1 multiply to -489 and add up to -488:

-489 × 1 = -489
-489 + 1 = -488

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

x² - 488x - 489 = 0

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

(x - 489 ) (x + 1)

To summarize, since -489 and 1 multiply to -489 and add up -488, you know that the following is true:

x² - 488x - 489 = (x - 489 ) (x + 1)

Multiply To One Number and Add Up To Another
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