What two numbers multiply to 800 and add up to 801?

Here we answer the question: "What two numbers multiply to 800 and add up to 801?"

The answer to your question is:

1 and 800

Below we illustrate and prove that 1 and 800 multiply to 800 and add up to 801:

1 × 800 = 800
1 + 800 = 801

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

x² + 801x + 800 = 0

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

(x + 1 ) (x + 800)

To summarize, since 1 and 800 multiply to 800 and add up 801, you know that the following is true:

x² + 801x + 800 = (x + 1 ) (x + 800)

Multiply To One Number and Add Up To Another
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