Factorise = 27x³-3x
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27x³ - 3x
Grouping
1
Common factor
27x³ - 3x
3(9x³ - x)
2
Find one factor
3x(9x² - 1)
3
Find one factor
Factor by grouping.
3x(3x - 1)(3x + 1)
3x(9x² - 1)
Answered by
1
Answer:
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