Here we answer the question: "What two numbers multiply to -819 and add up to 50?"
The answer to your question is:
-13 and 63
Below we illustrate and prove that -13 and 63 multiply to -819 and add up to 50:
-13 × 63 = -819
-13 + 63 = 50
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 50x - 819 = 0
If so, the solution to factor the quadratic equation above is:
(x - 13 ) (x + 63)
To summarize, since -13 and 63 multiply to -819 and add up 50, you know that the following is true:
x2 + 50x - 819 = (x - 13 ) (x + 63)
Multiply To One Number and Add Up To Another
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