What two numbers multiply to 684 and add up to 685?

Here we answer the question: "What two numbers multiply to 684 and add up to 685?"

The answer to your question is:

1 and 684

Below we illustrate and prove that 1 and 684 multiply to 684 and add up to 685:

1 × 684 = 684
1 + 684 = 685

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

x² + 685x + 684 = 0

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

(x + 1 ) (x + 684)

To summarize, since 1 and 684 multiply to 684 and add up 685, you know that the following is true:

x² + 685x + 684 = (x + 1 ) (x + 684)

Multiply To One Number and Add Up To Another
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