Simplify the following expression:   \[2x+3x^2+1-(6-2x-3x^2).\]
Question:
Simplify the following expression:   \[2x+3x^2+1-(6-2x-3x^2).\]
Answer:
Let's think step by step.

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6x^2+4x-5
Simplify the following expression:   \[2x+3x^2+1-(6-2x-3x^2).\]
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