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Question
Factorise: 3a2 - 27b2
Sum
Solution
3a2 - 27b2
= 3(a2 - 9b2)
= 3(a + 3b)(a - 3b).
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Is there an error in this question or solution?
Factorise: 3a2 - 27b2
3a2 - 27b2
= 3(a2 - 9b2)
= 3(a + 3b)(a - 3b).