What two numbers multiply to -663 and add up to -218?

Here we answer the question: "What two numbers multiply to -663 and add up to -218?"

The answer to your question is:

-221 and 3

Below we illustrate and prove that -221 and 3 multiply to -663 and add up to -218:

-221 × 3 = -663
-221 + 3 = -218

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

x² - 218x - 663 = 0

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

(x - 221 ) (x + 3)

To summarize, since -221 and 3 multiply to -663 and add up -218, you know that the following is true:

x² - 218x - 663 = (x - 221 ) (x + 3)

Multiply To One Number and Add Up To Another
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