What two numbers multiply to 909 and add up to -910?

Here we answer the question: "What two numbers multiply to 909 and add up to -910?"

The answer to your question is:

-909 and -1

Below we illustrate and prove that -909 and -1 multiply to 909 and add up to -910:

-909 × -1 = 909
-909 + -1 = -910

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

x² - 910x + 909 = 0

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

(x - 909 ) (x - 1)

To summarize, since -909 and -1 multiply to 909 and add up -910, you know that the following is true:

x² - 910x + 909 = (x - 909 ) (x - 1)

Multiply To One Number and Add Up To Another
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