Here we answer the question: "What two numbers multiply to -766 and add up to -381?"
The answer to your question is:
-383 and 2
Below we illustrate and prove that -383 and 2 multiply to -766 and add up to -381:
-383 × 2 = -766
-383 + 2 = -381
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 381x - 766 = 0
If so, the solution to factor the quadratic equation above is:
(x - 383 ) (x + 2)
To summarize, since -383 and 2 multiply to -766 and add up -381, you know that the following is true:
x2 - 381x - 766 = (x - 383 ) (x + 2)
Multiply To One Number and Add Up To Another
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