Asked by rome

-21x2 +6x-12

thats is 21 to the 2 power thank you for your help
Answered by PC
I assume you want the given expression factorized.

First take out the common factor of -3 in all the terms to get
-21x^2 +6x-12
=-3(7x^2-2*x+4)

Then see if you can factorize the expression in brackets. If not, the result will be as shown above.

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