Here we answer the question: "What two numbers multiply to -550 and add up to -39?"
The answer to your question is:
-50 and 11
Below we illustrate and prove that -50 and 11 multiply to -550 and add up to -39:
-50 × 11 = -550
-50 + 11 = -39
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 39x - 550 = 0
If so, the solution to factor the quadratic equation above is:
(x - 50 ) (x + 11)
To summarize, since -50 and 11 multiply to -550 and add up -39, you know that the following is true:
x2 - 39x - 550 = (x - 50 ) (x + 11)
Multiply To One Number and Add Up To Another
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