48a2b-243b3 factorise this
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Answer:
3b(4a+9b)(4a-9b)
Step-by-step explanation:
48a²b - 243b³ = 3b(16a² - 81b²)
= 3b[(4a)²-(9b)²]
= 3b(4a+9b)(4a-9b)
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