What two numbers multiply to -688 and add up to -342?

Here we answer the question: "What two numbers multiply to -688 and add up to -342?"

The answer to your question is:

-344 and 2

Below we illustrate and prove that -344 and 2 multiply to -688 and add up to -342:

-344 × 2 = -688
-344 + 2 = -342

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

x² - 342x - 688 = 0

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

(x - 344 ) (x + 2)

To summarize, since -344 and 2 multiply to -688 and add up -342, you know that the following is true:

x² - 342x - 688 = (x - 344 ) (x + 2)

Multiply To One Number and Add Up To Another
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