What two numbers multiply to -479 and add up to -478?

Here we answer the question: "What two numbers multiply to -479 and add up to -478?"

The answer to your question is:

-479 and 1

Below we illustrate and prove that -479 and 1 multiply to -479 and add up to -478:

-479 × 1 = -479
-479 + 1 = -478

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

x² - 478x - 479 = 0

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

(x - 479 ) (x + 1)

To summarize, since -479 and 1 multiply to -479 and add up -478, you know that the following is true:

x² - 478x - 479 = (x - 479 ) (x + 1)

Multiply To One Number and Add Up To Another
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