What two numbers multiply to 519 and add up to 520?

Here we answer the question: "What two numbers multiply to 519 and add up to 520?"

The answer to your question is:

1 and 519

Below we illustrate and prove that 1 and 519 multiply to 519 and add up to 520:

1 × 519 = 519
1 + 519 = 520

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

x² + 520x + 519 = 0

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

(x + 1 ) (x + 519)

To summarize, since 1 and 519 multiply to 519 and add up 520, you know that the following is true:

x² + 520x + 519 = (x + 1 ) (x + 519)

Multiply To One Number and Add Up To Another
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