What two numbers multiply to 19 and add up to -20?

Here we answer the question: "What two numbers multiply to 19 and add up to -20?"

The answer to your question is:

-19 and -1

Below we illustrate and prove that -19 and -1 multiply to 19 and add up to -20:

-19 × -1 = 19
-19 + -1 = -20

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

x² - 20x + 19 = 0

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

(x - 19 ) (x - 1)

To summarize, since -19 and -1 multiply to 19 and add up -20, you know that the following is true:

x² - 20x + 19 = (x - 19 ) (x - 1)

Multiply To One Number and Add Up To Another
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