What two numbers multiply to -12 and add up to 11?




Here we answer the question: "What two numbers multiply to -12 and add up to 11?"

The answer to your question is:

-1 and 12


Below we illustrate and prove that -1 and 12 multiply to -12 and add up to 11:

-1 × 12 = -12
-1 + 12 = 11

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

x2 + 11x - 12 = 0

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

(x - 1 ) (x + 12)

To summarize, since -1 and 12 multiply to -12 and add up 11, you know that the following is true:

x2 + 11x - 12 = (x - 1 ) (x + 12)


Multiply To One Number and Add Up To Another
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