Here we answer the question: "What two numbers multiply to 768 and add up to -259?"
The answer to your question is:
-256 and -3
Below we illustrate and prove that -256 and -3 multiply to 768 and add up to -259:
-256 × -3 = 768
-256 + -3 = -259
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 259x + 768 = 0
If so, the solution to factor the quadratic equation above is:
(x - 256 ) (x - 3)
To summarize, since -256 and -3 multiply to 768 and add up -259, you know that the following is true:
x2 - 259x + 768 = (x - 256 ) (x - 3)
Multiply To One Number and Add Up To Another
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