Question

Factorise 8 x cube minus 64 y cube.

Answer 1

Answer:

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Step-by-step explanation:

8x³ - 64y³

= (2x)³ - (4y)³

= (2x - 4y) [ (2x)² + 2x.4y + (4y)² ]

= ( 2x - 4y) ( 4x² + 8xy + 16y²)

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