What two numbers multiply to -805 and add up to 804?

Here we answer the question: "What two numbers multiply to -805 and add up to 804?"

The answer to your question is:

-1 and 805

Below we illustrate and prove that -1 and 805 multiply to -805 and add up to 804:

-1 × 805 = -805
-1 + 805 = 804

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

x² + 804x - 805 = 0

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

(x - 1 ) (x + 805)

To summarize, since -1 and 805 multiply to -805 and add up 804, you know that the following is true:

x² + 804x - 805 = (x - 1 ) (x + 805)

Multiply To One Number and Add Up To Another
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