Divide: 81xcube (50xsquare - 98) by 27xsquarex(5x + 7)
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81x³(50x² - 98) ÷ 27x²(5x + 7)
81x³ × 2[(5x)² - (7)²] ÷ 27x²(5x + 7)
81x³ × 2 (5x + 7)(5x - 7) ÷ 27x²(5x + 7)
6x(5x - 7)
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