What two numbers multiply to -540 and add up to 84?




Here we answer the question: "What two numbers multiply to -540 and add up to 84?"

The answer to your question is:

-6 and 90


Below we illustrate and prove that -6 and 90 multiply to -540 and add up to 84:

-6 × 90 = -540
-6 + 90 = 84

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

x2 + 84x - 540 = 0

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

(x - 6 ) (x + 90)

To summarize, since -6 and 90 multiply to -540 and add up 84, you know that the following is true:

x2 + 84x - 540 = (x - 6 ) (x + 90)


Multiply To One Number and Add Up To Another
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