Factorise the following
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Answer:
9x³ + 9y³ - 27x²y - 27xy² - 16x + 16y is the answer
Step-by-step explanation:
9(x-y) ³ - 16(x-y)
9(x³ + y³ - 3x²y - 3xy²) - 16(x - y)
9x³ + 9y³ - 27x²y - 27xy² - 16x + 16y
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