What two numbers multiply to -867 and add up to 866?

Here we answer the question: "What two numbers multiply to -867 and add up to 866?"

The answer to your question is:

-1 and 867

Below we illustrate and prove that -1 and 867 multiply to -867 and add up to 866:

-1 × 867 = -867
-1 + 867 = 866

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

x² + 866x - 867 = 0

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

(x - 1 ) (x + 867)

To summarize, since -1 and 867 multiply to -867 and add up 866, you know that the following is true:

x² + 866x - 867 = (x - 1 ) (x + 867)

Multiply To One Number and Add Up To Another
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