What two numbers multiply to -789 and add up to 788?

Here we answer the question: "What two numbers multiply to -789 and add up to 788?"

The answer to your question is:

-1 and 789

Below we illustrate and prove that -1 and 789 multiply to -789 and add up to 788:

-1 × 789 = -789
-1 + 789 = 788

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

x² + 788x - 789 = 0

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

(x - 1 ) (x + 789)

To summarize, since -1 and 789 multiply to -789 and add up 788, you know that the following is true:

x² + 788x - 789 = (x - 1 ) (x + 789)

Multiply To One Number and Add Up To Another
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