Find all the integer roots of $2x^4 + 4x^3 - 5x^2 + 2x - 3 = 0.$  Enter all the integer roots, separated by commas.
Question:
Find all the integer roots of $2x^4 + 4x^3 - 5x^2 + 2x - 3 = 0.$  Enter all the integer roots, separated by commas.
Answer:
Let's think step by step.

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1,-3
Find all the integer roots of $2x^4 + 4x^3 - 5x^2 + 2x - 3 = 0.$  Enter all the integer roots, separated by commas.
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