What two numbers multiply to 217 and add up to -218?

Here we answer the question: "What two numbers multiply to 217 and add up to -218?"

The answer to your question is:

-217 and -1

Below we illustrate and prove that -217 and -1 multiply to 217 and add up to -218:

-217 × -1 = 217
-217 + -1 = -218

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

x² - 218x + 217 = 0

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

(x - 217 ) (x - 1)

To summarize, since -217 and -1 multiply to 217 and add up -218, you know that the following is true:

x² - 218x + 217 = (x - 217 ) (x - 1)

Multiply To One Number and Add Up To Another
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