Here we answer the question: "What two numbers multiply to -14 and add up to 13?"
The answer to your question is:
-1 and 14
Below we illustrate and prove that -1 and 14 multiply to -14 and add up to 13:
-1 × 14 = -14
-1 + 14 = 13
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 13x - 14 = 0
If so, the solution to factor the quadratic equation above is:
(x - 1 ) (x + 14)
To summarize, since -1 and 14 multiply to -14 and add up 13, you know that the following is true:
x2 + 13x - 14 = (x - 1 ) (x + 14)
Multiply To One Number and Add Up To Another
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