What two numbers multiply to -255 and add up to 82?




Here we answer the question: "What two numbers multiply to -255 and add up to 82?"

The answer to your question is:

-3 and 85


Below we illustrate and prove that -3 and 85 multiply to -255 and add up to 82:

-3 × 85 = -255
-3 + 85 = 82

Are you asking because you are trying to figure out how to factor the following quadratic equation?

x2 + 82x - 255 = 0

If so, the solution to factor the quadratic equation above is:

(x - 3 ) (x + 85)

To summarize, since -3 and 85 multiply to -255 and add up 82, you know that the following is true:

x2 + 82x - 255 = (x - 3 ) (x + 85)


Multiply To One Number and Add Up To Another
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