What two numbers multiply to -243 and add up to 242?




Here we answer the question: "What two numbers multiply to -243 and add up to 242?"

The answer to your question is:

-1 and 243


Below we illustrate and prove that -1 and 243 multiply to -243 and add up to 242:

-1 × 243 = -243
-1 + 243 = 242

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

x2 + 242x - 243 = 0

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

(x - 1 ) (x + 243)

To summarize, since -1 and 243 multiply to -243 and add up 242, you know that the following is true:

x2 + 242x - 243 = (x - 1 ) (x + 243)


Multiply To One Number and Add Up To Another
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