exam Maths Puzzle Numerical Ability

Please can someone walk me through factoring this polynomial?

Factor completely

64x^3-27

Thank you

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exam Other Question

Find the nex three elements in each pattern.
216, 36,6, _________,___________,____________
4,5,9,14,23,_________,__________,____________
1/8, 1/10, 1/12, __________,___________,____________
Please solve. |x - 1.5| <= 3

I tried and got X <= 4.5 or X >= -1.5