What two numbers multiply to 810 and add up to 811?

Here we answer the question: "What two numbers multiply to 810 and add up to 811?"

The answer to your question is:

1 and 810

Below we illustrate and prove that 1 and 810 multiply to 810 and add up to 811:

1 × 810 = 810
1 + 810 = 811

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

x² + 811x + 810 = 0

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

(x + 1 ) (x + 810)

To summarize, since 1 and 810 multiply to 810 and add up 811, you know that the following is true:

x² + 811x + 810 = (x + 1 ) (x + 810)

Multiply To One Number and Add Up To Another
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