What two numbers multiply to 9 and add up to -6?

Here we answer the question: "What two numbers multiply to 9 and add up to -6?"

The answer to your question is:

-3 and -3

Below we illustrate and prove that -3 and -3 multiply to 9 and add up to -6:

-3 × -3 = 9
-3 + -3 = -6

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

x² - 6x + 9 = 0

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

(x - 3 ) (x - 3)

To summarize, since -3 and -3 multiply to 9 and add up -6, you know that the following is true:

x² - 6x + 9 = (x - 3 ) (x - 3)

Multiply To One Number and Add Up To Another
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