What two numbers multiply to -669 and add up to -668?

Here we answer the question: "What two numbers multiply to -669 and add up to -668?"

The answer to your question is:

-669 and 1

Below we illustrate and prove that -669 and 1 multiply to -669 and add up to -668:

-669 × 1 = -669
-669 + 1 = -668

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

x² - 668x - 669 = 0

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

(x - 669 ) (x + 1)

To summarize, since -669 and 1 multiply to -669 and add up -668, you know that the following is true:

x² - 668x - 669 = (x - 669 ) (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.