What two numbers multiply to -28 and add up to -27?

Here we answer the question: "What two numbers multiply to -28 and add up to -27?"

The answer to your question is:

-28 and 1

Below we illustrate and prove that -28 and 1 multiply to -28 and add up to -27:

-28 × 1 = -28
-28 + 1 = -27

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

x² - 27x - 28 = 0

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

(x - 28 ) (x + 1)

To summarize, since -28 and 1 multiply to -28 and add up -27, you know that the following is true:

x² - 27x - 28 = (x - 28 ) (x + 1)

Multiply To One Number and Add Up To Another
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