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03-08-2020
Mathematics

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Choose the correct simplification of 9x^2(4x + 2x^2 − 1)

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03-08-2020

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▹ Answer

18x⁴ + 36x³ - 9x²

▹ Step-by-Step Explanation

9x²(4x + 2x² - 1)

36x³ + 18x⁴ - 9x²

18x⁴ + 36x³ - 9x²

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