What two numbers multiply to -448 and add up to -447?

Here we answer the question: "What two numbers multiply to -448 and add up to -447?"

The answer to your question is:

-448 and 1

Below we illustrate and prove that -448 and 1 multiply to -448 and add up to -447:

-448 × 1 = -448
-448 + 1 = -447

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

x² - 447x - 448 = 0

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

(x - 448 ) (x + 1)

To summarize, since -448 and 1 multiply to -448 and add up -447, you know that the following is true:

x² - 447x - 448 = (x - 448 ) (x + 1)

Multiply To One Number and Add Up To Another
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