Here we answer the question: "What two numbers multiply to -120 and add up to -14?"
The answer to your question is:
-20 and 6
Below we illustrate and prove that -20 and 6 multiply to -120 and add up to -14:
-20 × 6 = -120
-20 + 6 = -14
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 14x - 120 = 0
If so, the solution to factor the quadratic equation above is:
(x - 20 ) (x + 6)
To summarize, since -20 and 6 multiply to -120 and add up -14, you know that the following is true:
x2 - 14x - 120 = (x - 20 ) (x + 6)
Multiply To One Number and Add Up To Another
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