What two numbers multiply to 784 and add up to -394?

Here we answer the question: "What two numbers multiply to 784 and add up to -394?"

The answer to your question is:

-392 and -2

Below we illustrate and prove that -392 and -2 multiply to 784 and add up to -394:

-392 × -2 = 784
-392 + -2 = -394

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

x² - 394x + 784 = 0

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

(x - 392 ) (x - 2)

To summarize, since -392 and -2 multiply to 784 and add up -394, you know that the following is true:

x² - 394x + 784 = (x - 392 ) (x - 2)

Multiply To One Number and Add Up To Another
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