What two numbers multiply to -842 and add up to -419?

Here we answer the question: "What two numbers multiply to -842 and add up to -419?"

The answer to your question is:

-421 and 2

Below we illustrate and prove that -421 and 2 multiply to -842 and add up to -419:

-421 × 2 = -842
-421 + 2 = -419

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

x² - 419x - 842 = 0

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

(x - 421 ) (x + 2)

To summarize, since -421 and 2 multiply to -842 and add up -419, you know that the following is true:

x² - 419x - 842 = (x - 421 ) (x + 2)

Multiply To One Number and Add Up To Another
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