What two numbers multiply to -891 and add up to -890?

Here we answer the question: "What two numbers multiply to -891 and add up to -890?"

The answer to your question is:

-891 and 1

Below we illustrate and prove that -891 and 1 multiply to -891 and add up to -890:

-891 × 1 = -891
-891 + 1 = -890

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

x² - 890x - 891 = 0

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

(x - 891 ) (x + 1)

To summarize, since -891 and 1 multiply to -891 and add up -890, you know that the following is true:

x² - 890x - 891 = (x - 891 ) (x + 1)

Multiply To One Number and Add Up To Another
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