What two numbers multiply to 991 and add up to -992?




Here we answer the question: "What two numbers multiply to 991 and add up to -992?"

The answer to your question is:

-991 and -1


Below we illustrate and prove that -991 and -1 multiply to 991 and add up to -992:

-991 × -1 = 991
-991 + -1 = -992

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

x2 - 992x + 991 = 0

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

(x - 991 ) (x - 1)

To summarize, since -991 and -1 multiply to 991 and add up -992, you know that the following is true:

x2 - 992x + 991 = (x - 991 ) (x - 1)


Multiply To One Number and Add Up To Another
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