What two numbers multiply to -698 and add up to 697?

Here we answer the question: "What two numbers multiply to -698 and add up to 697?"

The answer to your question is:

-1 and 698

Below we illustrate and prove that -1 and 698 multiply to -698 and add up to 697:

-1 × 698 = -698
-1 + 698 = 697

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

x² + 697x - 698 = 0

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

(x - 1 ) (x + 698)

To summarize, since -1 and 698 multiply to -698 and add up 697, you know that the following is true:

x² + 697x - 698 = (x - 1 ) (x + 698)

Multiply To One Number and Add Up To Another
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