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What two numbers multiply to -231 and add up to 10?


Here we answer the question: "What two numbers multiply to -231 and add up to 10?"

The answer to your question is:

-11 and 21


as proven here:

-11 x 21 = -231
-11 + (21) = 10

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

x2 + 10x - 231 = 0

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

(X - 11 ) (X + 21)

To summarize, since -11 and 21 multiply to -231 and add up 10, you know that the following is true:

x2 + 10x - 231 = (X - 11 ) (X + 21)





What two numbers multiply
to one number and add up to another number?

Did you find the information on this page useful? Here is a huge list of two numbers that multiply to one number and add up to another number.

Factors of 10
Go here to see all the factors of 10.

What two numbers multiply to 231?
Go here to find what numbers multiply to 231.


 


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