What two numbers multiply to -222 and add up to 221?




Here we answer the question: "What two numbers multiply to -222 and add up to 221?"

The answer to your question is:

-1 and 222


Below we illustrate and prove that -1 and 222 multiply to -222 and add up to 221:

-1 × 222 = -222
-1 + 222 = 221

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

x2 + 221x - 222 = 0

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

(x - 1 ) (x + 222)

To summarize, since -1 and 222 multiply to -222 and add up 221, you know that the following is true:

x2 + 221x - 222 = (x - 1 ) (x + 222)


Multiply To One Number and Add Up To Another
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