What two numbers multiply to -418 and add up to -417?

Here we answer the question: "What two numbers multiply to -418 and add up to -417?"

The answer to your question is:

-418 and 1

Below we illustrate and prove that -418 and 1 multiply to -418 and add up to -417:

-418 × 1 = -418
-418 + 1 = -417

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

x² - 417x - 418 = 0

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

(x - 418 ) (x + 1)

To summarize, since -418 and 1 multiply to -418 and add up -417, you know that the following is true:

x² - 417x - 418 = (x - 418 ) (x + 1)

Multiply To One Number and Add Up To Another
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