What two numbers multiply to -415 and add up to -414?

Here we answer the question: "What two numbers multiply to -415 and add up to -414?"

The answer to your question is:

-415 and 1

Below we illustrate and prove that -415 and 1 multiply to -415 and add up to -414:

-415 × 1 = -415
-415 + 1 = -414

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

x² - 414x - 415 = 0

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

(x - 415 ) (x + 1)

To summarize, since -415 and 1 multiply to -415 and add up -414, you know that the following is true:

x² - 414x - 415 = (x - 415 ) (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.