What two numbers multiply to -555 and add up to 554?

Here we answer the question: "What two numbers multiply to -555 and add up to 554?"

The answer to your question is:

-1 and 555

Below we illustrate and prove that -1 and 555 multiply to -555 and add up to 554:

-1 × 555 = -555
-1 + 555 = 554

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

x² + 554x - 555 = 0

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

(x - 1 ) (x + 555)

To summarize, since -1 and 555 multiply to -555 and add up 554, you know that the following is true:

x² + 554x - 555 = (x - 1 ) (x + 555)

Multiply To One Number and Add Up To Another
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