What two numbers multiply to -480 and add up to -28?




Here we answer the question: "What two numbers multiply to -480 and add up to -28?"

The answer to your question is:

-40 and 12


Below we illustrate and prove that -40 and 12 multiply to -480 and add up to -28:

-40 × 12 = -480
-40 + 12 = -28

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

x2 - 28x - 480 = 0

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

(x - 40 ) (x + 12)

To summarize, since -40 and 12 multiply to -480 and add up -28, you know that the following is true:

x2 - 28x - 480 = (x - 40 ) (x + 12)


Multiply To One Number and Add Up To Another
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