What two numbers multiply to -12 and add up to 1?




Here we answer the question: "What two numbers multiply to -12 and add up to 1?"

The answer to your question is:

-3 and 4


Below we illustrate and prove that -3 and 4 multiply to -12 and add up to 1:

-3 × 4 = -12
-3 + 4 = 1

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

x2 + 1x - 12 = 0

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

(x - 3 ) (x + 4)

To summarize, since -3 and 4 multiply to -12 and add up 1, you know that the following is true:

x2 + 1x - 12 = (x - 3 ) (x + 4)


Multiply To One Number and Add Up To Another
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