Here we answer the question: "What two numbers multiply to 960 and add up to -68?"
The answer to your question is:
-48 and -20
Below we illustrate and prove that -48 and -20 multiply to 960 and add up to -68:
-48 × -20 = 960
-48 + -20 = -68
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 68x + 960 = 0
If so, the solution to factor the quadratic equation above is:
(x - 48 ) (x - 20)
To summarize, since -48 and -20 multiply to 960 and add up -68, you know that the following is true:
x2 - 68x + 960 = (x - 48 ) (x - 20)
Multiply To One Number and Add Up To Another
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