What two numbers multiply to 666 and add up to -667?

Here we answer the question: "What two numbers multiply to 666 and add up to -667?"

The answer to your question is:

-666 and -1

Below we illustrate and prove that -666 and -1 multiply to 666 and add up to -667:

-666 × -1 = 666
-666 + -1 = -667

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

x² - 667x + 666 = 0

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

(x - 666 ) (x - 1)

To summarize, since -666 and -1 multiply to 666 and add up -667, you know that the following is true:

x² - 667x + 666 = (x - 666 ) (x - 1)

Multiply To One Number and Add Up To Another
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