What two numbers multiply to -684 and add up to 45?




Here we answer the question: "What two numbers multiply to -684 and add up to 45?"

The answer to your question is:

-12 and 57


Below we illustrate and prove that -12 and 57 multiply to -684 and add up to 45:

-12 × 57 = -684
-12 + 57 = 45

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

x2 + 45x - 684 = 0

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

(x - 12 ) (x + 57)

To summarize, since -12 and 57 multiply to -684 and add up 45, you know that the following is true:

x2 + 45x - 684 = (x - 12 ) (x + 57)


Multiply To One Number and Add Up To Another
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