What two numbers multiply to 998 and add up to 999?

Here we answer the question: "What two numbers multiply to 998 and add up to 999?"

The answer to your question is:

1 and 998

Below we illustrate and prove that 1 and 998 multiply to 998 and add up to 999:

1 × 998 = 998
1 + 998 = 999

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

x² + 999x + 998 = 0

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

(x + 1 ) (x + 998)

To summarize, since 1 and 998 multiply to 998 and add up 999, you know that the following is true:

x² + 999x + 998 = (x + 1 ) (x + 998)

Multiply To One Number and Add Up To Another
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