What two numbers multiply to -450 and add up to -15?

Here we answer the question: "What two numbers multiply to -450 and add up to -15?"

The answer to your question is:

-30 and 15

Below we illustrate and prove that -30 and 15 multiply to -450 and add up to -15:

-30 × 15 = -450
-30 + 15 = -15

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

x² - 15x - 450 = 0

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

(x - 30 ) (x + 15)

To summarize, since -30 and 15 multiply to -450 and add up -15, you know that the following is true:

x² - 15x - 450 = (x - 30 ) (x + 15)

Multiply To One Number and Add Up To Another
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