What two numbers multiply to 392 and add up to 63?

Here we answer the question: "What two numbers multiply to 392 and add up to 63?"

The answer to your question is:

7 and 56

Below we illustrate and prove that 7 and 56 multiply to 392 and add up to 63:

7 × 56 = 392
7 + 56 = 63

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

x² + 63x + 392 = 0

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

(x + 7 ) (x + 56)

To summarize, since 7 and 56 multiply to 392 and add up 63, you know that the following is true:

x² + 63x + 392 = (x + 7 ) (x + 56)

Multiply To One Number and Add Up To Another
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