Answer :

3x(2x2 + 2x − 1) − 4(2x2 + 2x − 1).
=6x^3 + 6x^2 - 3x - 8x^2 - 8x + 4
=6x^3 - 2x^2 - 11x + 4
option D is right 
hope this helps
josie5813

Answer: the answer is D I just took test and got it right.

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