What two numbers multiply to 391 and add up to 392?

Here we answer the question: "What two numbers multiply to 391 and add up to 392?"

The answer to your question is:

1 and 391

Below we illustrate and prove that 1 and 391 multiply to 391 and add up to 392:

1 × 391 = 391
1 + 391 = 392

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

x² + 392x + 391 = 0

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

(x + 1 ) (x + 391)

To summarize, since 1 and 391 multiply to 391 and add up 392, you know that the following is true:

x² + 392x + 391 = (x + 1 ) (x + 391)

Multiply To One Number and Add Up To Another
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