What two numbers multiply to 680 and add up to 681?

Here we answer the question: "What two numbers multiply to 680 and add up to 681?"

The answer to your question is:

1 and 680

Below we illustrate and prove that 1 and 680 multiply to 680 and add up to 681:

1 × 680 = 680
1 + 680 = 681

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

x² + 681x + 680 = 0

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

(x + 1 ) (x + 680)

To summarize, since 1 and 680 multiply to 680 and add up 681, you know that the following is true:

x² + 681x + 680 = (x + 1 ) (x + 680)

Multiply To One Number and Add Up To Another
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