What two numbers multiply to 234 and add up to -81?




Here we answer the question: "What two numbers multiply to 234 and add up to -81?"

The answer to your question is:

-78 and -3


Below we illustrate and prove that -78 and -3 multiply to 234 and add up to -81:

-78 × -3 = 234
-78 + -3 = -81

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

x2 - 81x + 234 = 0

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

(x - 78 ) (x - 3)

To summarize, since -78 and -3 multiply to 234 and add up -81, you know that the following is true:

x2 - 81x + 234 = (x - 78 ) (x - 3)


Multiply To One Number and Add Up To Another
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