Here we answer the question: "What two numbers multiply to 560 and add up to 48?"
The answer to your question is:
20 and 28
Below we illustrate and prove that 20 and 28 multiply to 560 and add up to 48:
20 × 28 = 560
20 + 28 = 48
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 48x + 560 = 0
If so, the solution to factor the quadratic equation above is:
(x + 20 ) (x + 28)
To summarize, since 20 and 28 multiply to 560 and add up 48, you know that the following is true:
x2 + 48x + 560 = (x + 20 ) (x + 28)
Multiply To One Number and Add Up To Another
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