Here we answer the question: "What two numbers multiply to -984 and add up to 490?"
The answer to your question is:
-2 and 492
Below we illustrate and prove that -2 and 492 multiply to -984 and add up to 490:
-2 × 492 = -984
-2 + 492 = 490
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 + 490x - 984 = 0
If so, the solution to factor the quadratic equation above is:
(x - 2 ) (x + 492)
To summarize, since -2 and 492 multiply to -984 and add up 490, you know that the following is true:
x2 + 490x - 984 = (x - 2 ) (x + 492)
Multiply To One Number and Add Up To Another
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