Here we answer the question: "What two numbers multiply to 768 and add up to -196?"
The answer to your question is:
-192 and -4
Below we illustrate and prove that -192 and -4 multiply to 768 and add up to -196:
-192 × -4 = 768
-192 + -4 = -196
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 196x + 768 = 0
If so, the solution to factor the quadratic equation above is:
(x - 192 ) (x - 4)
To summarize, since -192 and -4 multiply to 768 and add up -196, you know that the following is true:
x2 - 196x + 768 = (x - 192 ) (x - 4)
Multiply To One Number and Add Up To Another
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