What two numbers multiply to 819 and add up to -100?




Here we answer the question: "What two numbers multiply to 819 and add up to -100?"

The answer to your question is:

-91 and -9


Below we illustrate and prove that -91 and -9 multiply to 819 and add up to -100:

-91 × -9 = 819
-91 + -9 = -100

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

x2 - 100x + 819 = 0

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

(x - 91 ) (x - 9)

To summarize, since -91 and -9 multiply to 819 and add up -100, you know that the following is true:

x2 - 100x + 819 = (x - 91 ) (x - 9)


Multiply To One Number and Add Up To Another
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