Here we answer the question: "What two numbers multiply to -560 and add up to -73?"
The answer to your question is:
-80 and 7
Below we illustrate and prove that -80 and 7 multiply to -560 and add up to -73:
-80 × 7 = -560
-80 + 7 = -73
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 73x - 560 = 0
If so, the solution to factor the quadratic equation above is:
(x - 80 ) (x + 7)
To summarize, since -80 and 7 multiply to -560 and add up -73, you know that the following is true:
x2 - 73x - 560 = (x - 80 ) (x + 7)
Multiply To One Number and Add Up To Another
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