What two numbers multiply to 392 and add up to -57?




Here we answer the question: "What two numbers multiply to 392 and add up to -57?"

The answer to your question is:

-49 and -8


Below we illustrate and prove that -49 and -8 multiply to 392 and add up to -57:

-49 × -8 = 392
-49 + -8 = -57

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

x2 - 57x + 392 = 0

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

(x - 49 ) (x - 8)

To summarize, since -49 and -8 multiply to 392 and add up -57, you know that the following is true:

x2 - 57x + 392 = (x - 49 ) (x - 8)


Multiply To One Number and Add Up To Another
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