Here we answer the question: "What two numbers multiply to -261 and add up to -84?"
The answer to your question is:
-87 and 3
Below we illustrate and prove that -87 and 3 multiply to -261 and add up to -84:
-87 × 3 = -261
-87 + 3 = -84
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 84x - 261 = 0
If so, the solution to factor the quadratic equation above is:
(x - 87 ) (x + 3)
To summarize, since -87 and 3 multiply to -261 and add up -84, you know that the following is true:
x2 - 84x - 261 = (x - 87 ) (x + 3)
Multiply To One Number and Add Up To Another
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