What two numbers multiply to 838 and add up to 421?

Here we answer the question: "What two numbers multiply to 838 and add up to 421?"

The answer to your question is:

2 and 419

Below we illustrate and prove that 2 and 419 multiply to 838 and add up to 421:

2 × 419 = 838
2 + 419 = 421

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

x² + 421x + 838 = 0

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

(x + 2 ) (x + 419)

To summarize, since 2 and 419 multiply to 838 and add up 421, you know that the following is true:

x² + 421x + 838 = (x + 2 ) (x + 419)

Multiply To One Number and Add Up To Another
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