What two numbers multiply to 684 and add up to 56?

Here we answer the question: "What two numbers multiply to 684 and add up to 56?"

The answer to your question is:

18 and 38

Below we illustrate and prove that 18 and 38 multiply to 684 and add up to 56:

18 × 38 = 684
18 + 38 = 56

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

x² + 56x + 684 = 0

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

(x + 18 ) (x + 38)

To summarize, since 18 and 38 multiply to 684 and add up 56, you know that the following is true:

x² + 56x + 684 = (x + 18 ) (x + 38)

Multiply To One Number and Add Up To Another
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