What two numbers multiply to -108 and add up to 12?




Here we answer the question: "What two numbers multiply to -108 and add up to 12?"

The answer to your question is:

-6 and 18


Below we illustrate and prove that -6 and 18 multiply to -108 and add up to 12:

-6 × 18 = -108
-6 + 18 = 12

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

x2 + 12x - 108 = 0

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

(x - 6 ) (x + 18)

To summarize, since -6 and 18 multiply to -108 and add up 12, you know that the following is true:

x2 + 12x - 108 = (x - 6 ) (x + 18)


Multiply To One Number and Add Up To Another
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