What two numbers multiply to -729 and add up to 0?

Here we answer the question: "What two numbers multiply to -729 and add up to 0?"

The answer to your question is:

-27 and 27

Below we illustrate and prove that -27 and 27 multiply to -729 and add up to 0:

-27 × 27 = -729
-27 + 27 = 0

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

x² + 0x - 729 = 0

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

(x - 27 ) (x + 27)

To summarize, since -27 and 27 multiply to -729 and add up 0, you know that the following is true:

x² + 0x - 729 = (x - 27 ) (x + 27)

Multiply To One Number and Add Up To Another
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