What two numbers multiply to -672 and add up to -671?

Here we answer the question: "What two numbers multiply to -672 and add up to -671?"

The answer to your question is:

-672 and 1

Below we illustrate and prove that -672 and 1 multiply to -672 and add up to -671:

-672 × 1 = -672
-672 + 1 = -671

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

x² - 671x - 672 = 0

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

(x - 672 ) (x + 1)

To summarize, since -672 and 1 multiply to -672 and add up -671, you know that the following is true:

x² - 671x - 672 = (x - 672 ) (x + 1)

Multiply To One Number and Add Up To Another
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