Here we answer the question: "What two numbers multiply to 768 and add up to -769?"
The answer to your question is:
-768 and -1
Below we illustrate and prove that -768 and -1 multiply to 768 and add up to -769:
-768 × -1 = 768
-768 + -1 = -769
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 769x + 768 = 0
If so, the solution to factor the quadratic equation above is:
(x - 768 ) (x - 1)
To summarize, since -768 and -1 multiply to 768 and add up -769, you know that the following is true:
x2 - 769x + 768 = (x - 768 ) (x - 1)
Multiply To One Number and Add Up To Another
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