What two numbers multiply to 477 and add up to -478?

Here we answer the question: "What two numbers multiply to 477 and add up to -478?"

The answer to your question is:

-477 and -1

Below we illustrate and prove that -477 and -1 multiply to 477 and add up to -478:

-477 × -1 = 477
-477 + -1 = -478

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

x² - 478x + 477 = 0

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

(x - 477 ) (x - 1)

To summarize, since -477 and -1 multiply to 477 and add up -478, you know that the following is true:

x² - 478x + 477 = (x - 477 ) (x - 1)

Multiply To One Number and Add Up To Another
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