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12-03-2018
Mathematics

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Аноним Аноним

12-03-2018

2x²(3x - 4)(x + 5)

= 2x²(3x² + 15x - 4x - 20)

= 2x²(3x² + 11x - 20)

= 6x⁴ + 22x³ - 40x² (Answer D)

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