Factor the following expression: $8x^3+12x^2-2x-3$
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Factor the following expression: $8x^3+12x^2-2x-3$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
(2x+3)(2x -1)(2x+1)
Factor the following expression: $8x^3+12x^2-2x-3$
train