What two numbers multiply to -417 and add up to -416?

Here we answer the question: "What two numbers multiply to -417 and add up to -416?"

The answer to your question is:

-417 and 1

Below we illustrate and prove that -417 and 1 multiply to -417 and add up to -416:

-417 × 1 = -417
-417 + 1 = -416

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

x² - 416x - 417 = 0

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

(x - 417 ) (x + 1)

To summarize, since -417 and 1 multiply to -417 and add up -416, you know that the following is true:

x² - 416x - 417 = (x - 417 ) (x + 1)

Multiply To One Number and Add Up To Another
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