algebra
posted by rome .
21x2 +6x12
thats is 21 to the 2 power thank you for your help

I assume you want the given expression factorized.
First take out the common factor of 3 in all the terms to get
21x^2 +6x12
=3(7x^22*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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