What two numbers multiply to -680 and add up to 58?

Here we answer the question: "What two numbers multiply to -680 and add up to 58?"

The answer to your question is:

-10 and 68

Below we illustrate and prove that -10 and 68 multiply to -680 and add up to 58:

-10 × 68 = -680
-10 + 68 = 58

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

x² + 58x - 680 = 0

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

(x - 10 ) (x + 68)

To summarize, since -10 and 68 multiply to -680 and add up 58, you know that the following is true:

x² + 58x - 680 = (x - 10 ) (x + 68)

Multiply To One Number and Add Up To Another
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