What two numbers multiply to -23 and add up to 22?




Here we answer the question: "What two numbers multiply to -23 and add up to 22?"

The answer to your question is:

-1 and 23


Below we illustrate and prove that -1 and 23 multiply to -23 and add up to 22:

-1 × 23 = -23
-1 + 23 = 22

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

x2 + 22x - 23 = 0

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

(x - 1 ) (x + 23)

To summarize, since -1 and 23 multiply to -23 and add up 22, you know that the following is true:

x2 + 22x - 23 = (x - 1 ) (x + 23)


Multiply To One Number and Add Up To Another
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