What two numbers multiply to -81 and add up to -24?

Here we answer the question: "What two numbers multiply to -81 and add up to -24?"

The answer to your question is:

-27 and 3

Below we illustrate and prove that -27 and 3 multiply to -81 and add up to -24:

-27 × 3 = -81
-27 + 3 = -24

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

x² - 24x - 81 = 0

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

(x - 27 ) (x + 3)

To summarize, since -27 and 3 multiply to -81 and add up -24, you know that the following is true:

x² - 24x - 81 = (x - 27 ) (x + 3)

Multiply To One Number and Add Up To Another
Did you find the information on this page useful? Here you can solve a similar problem.