What two numbers multiply to 110 and add up to -21?

Here we answer the question: "What two numbers multiply to 110 and add up to -21?"

The answer to your question is:

-11 and -10

Below we illustrate and prove that -11 and -10 multiply to 110 and add up to -21:

-11 × -10 = 110
-11 + -10 = -21

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

x² - 21x + 110 = 0

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

(x - 11 ) (x - 10)

To summarize, since -11 and -10 multiply to 110 and add up -21, you know that the following is true:

x² - 21x + 110 = (x - 11 ) (x - 10)

Multiply To One Number and Add Up To Another
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