What two numbers multiply to 479 and add up to -480?

Here we answer the question: "What two numbers multiply to 479 and add up to -480?"

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 -480:

-479 × -1 = 479
-479 + -1 = -480

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

x² - 480x + 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 -480, you know that the following is true:

x² - 480x + 479 = (x - 479 ) (x - 1)

Multiply To One Number and Add Up To Another
Did you find the information on this page useful? Here you can solve a similar problem.