What two numbers multiply to -540 and add up to 51?




Here we answer the question: "What two numbers multiply to -540 and add up to 51?"

The answer to your question is:

-9 and 60


Below we illustrate and prove that -9 and 60 multiply to -540 and add up to 51:

-9 × 60 = -540
-9 + 60 = 51

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

x2 + 51x - 540 = 0

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

(x - 9 ) (x + 60)

To summarize, since -9 and 60 multiply to -540 and add up 51, you know that the following is true:

x2 + 51x - 540 = (x - 9 ) (x + 60)


Multiply To One Number and Add Up To Another
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