What two numbers multiply to -619 and add up to 618?

Here we answer the question: "What two numbers multiply to -619 and add up to 618?"

The answer to your question is:

-1 and 619

Below we illustrate and prove that -1 and 619 multiply to -619 and add up to 618:

-1 × 619 = -619
-1 + 619 = 618

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

x² + 618x - 619 = 0

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

(x - 1 ) (x + 619)

To summarize, since -1 and 619 multiply to -619 and add up 618, you know that the following is true:

x² + 618x - 619 = (x - 1 ) (x + 619)

Multiply To One Number and Add Up To Another
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