Here we answer the question: "What two numbers multiply to -504 and add up to -65?"
The answer to your question is:
-72 and 7
Below we illustrate and prove that -72 and 7 multiply to -504 and add up to -65:
-72 × 7 = -504
-72 + 7 = -65
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 65x - 504 = 0
If so, the solution to factor the quadratic equation above is:
(x - 72 ) (x + 7)
To summarize, since -72 and 7 multiply to -504 and add up -65, you know that the following is true:
x2 - 65x - 504 = (x - 72 ) (x + 7)
Multiply To One Number and Add Up To Another
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