What two numbers multiply to -677 and add up to 676?

Here we answer the question: "What two numbers multiply to -677 and add up to 676?"

The answer to your question is:

-1 and 677

Below we illustrate and prove that -1 and 677 multiply to -677 and add up to 676:

-1 × 677 = -677
-1 + 677 = 676

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

x² + 676x - 677 = 0

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

(x - 1 ) (x + 677)

To summarize, since -1 and 677 multiply to -677 and add up 676, you know that the following is true:

x² + 676x - 677 = (x - 1 ) (x + 677)

Multiply To One Number and Add Up To Another
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