3x⁵ - 2x³ + 4x + 4x⁶ - 5x⁵ + 4x³ - x² =
= 4x⁶ + 3x⁵ - 5x⁵ - 2x³ + 4x³ - x² + 4x
= 4x⁶ - 2x⁵ + 2x³ - x² + 4x
Answer: B
4x^{6} - 2x^{5} + 4x^{3} -x^{2} +4x
Explanation:
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