What two numbers multiply to -856 and add up to -426?

Here we answer the question: "What two numbers multiply to -856 and add up to -426?"

The answer to your question is:

-428 and 2

Below we illustrate and prove that -428 and 2 multiply to -856 and add up to -426:

-428 × 2 = -856
-428 + 2 = -426

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

x² - 426x - 856 = 0

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

(x - 428 ) (x + 2)

To summarize, since -428 and 2 multiply to -856 and add up -426, you know that the following is true:

x² - 426x - 856 = (x - 428 ) (x + 2)

Multiply To One Number and Add Up To Another
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