What two numbers multiply to -80 and add up to -38?

Here we answer the question: "What two numbers multiply to -80 and add up to -38?"

The answer to your question is:

-40 and 2

Below we illustrate and prove that -40 and 2 multiply to -80 and add up to -38:

-40 × 2 = -80
-40 + 2 = -38

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

x² - 38x - 80 = 0

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

(x - 40 ) (x + 2)

To summarize, since -40 and 2 multiply to -80 and add up -38, you know that the following is true:

x² - 38x - 80 = (x - 40 ) (x + 2)

Multiply To One Number and Add Up To Another
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