What two numbers multiply to -135 and add up to -6?

Here we answer the question: "What two numbers multiply to -135 and add up to -6?"

The answer to your question is:

-15 and 9

Below we illustrate and prove that -15 and 9 multiply to -135 and add up to -6:

-15 × 9 = -135
-15 + 9 = -6

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

x² - 6x - 135 = 0

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

(x - 15 ) (x + 9)

To summarize, since -15 and 9 multiply to -135 and add up -6, you know that the following is true:

x² - 6x - 135 = (x - 15 ) (x + 9)

Multiply To One Number and Add Up To Another
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