Here we answer the question: "What two numbers multiply to -504 and add up to -165?"
The answer to your question is:
-168 and 3
Below we illustrate and prove that -168 and 3 multiply to -504 and add up to -165:
-168 × 3 = -504
-168 + 3 = -165
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 165x - 504 = 0
If so, the solution to factor the quadratic equation above is:
(x - 168 ) (x + 3)
To summarize, since -168 and 3 multiply to -504 and add up -165, you know that the following is true:
x2 - 165x - 504 = (x - 168 ) (x + 3)
Multiply To One Number and Add Up To Another
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