What two numbers multiply to -670 and add up to -669?

Here we answer the question: "What two numbers multiply to -670 and add up to -669?"

The answer to your question is:

-670 and 1

Below we illustrate and prove that -670 and 1 multiply to -670 and add up to -669:

-670 × 1 = -670
-670 + 1 = -669

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

x² - 669x - 670 = 0

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

(x - 670 ) (x + 1)

To summarize, since -670 and 1 multiply to -670 and add up -669, you know that the following is true:

x² - 669x - 670 = (x - 670 ) (x + 1)

Multiply To One Number and Add Up To Another
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