Here we answer the question: "What two numbers multiply to -384 and add up to -20?"
The answer to your question is:
-32 and 12
Below we illustrate and prove that -32 and 12 multiply to -384 and add up to -20:
-32 × 12 = -384
-32 + 12 = -20
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 20x - 384 = 0
If so, the solution to factor the quadratic equation above is:
(x - 32 ) (x + 12)
To summarize, since -32 and 12 multiply to -384 and add up -20, you know that the following is true:
x2 - 20x - 384 = (x - 32 ) (x + 12)
Multiply To One Number and Add Up To Another
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