Answer:
18x²y²√6xy²
Explanation:
3x∛648x⁴y⁸ = 3x ∛ 2 * 2 * 2 * 3 * 3 * 3 * 3 * x⁴ * y⁸
= 3x * 2 * 3 * x * y * y √2 * 3 * x * y * y
= 18x²y²√6xy²
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