What two numbers multiply to -439 and add up to -438?

Here we answer the question: "What two numbers multiply to -439 and add up to -438?"

The answer to your question is:

-439 and 1

Below we illustrate and prove that -439 and 1 multiply to -439 and add up to -438:

-439 × 1 = -439
-439 + 1 = -438

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

x² - 438x - 439 = 0

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

(x - 439 ) (x + 1)

To summarize, since -439 and 1 multiply to -439 and add up -438, you know that the following is true:

x² - 438x - 439 = (x - 439 ) (x + 1)

Multiply To One Number and Add Up To Another
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