1) = b³- 4³= b³ - 64
2) = (2a)³+ (3b)³= 8a³+ 27b³
3) =( x³)³ + (6y²)³= x⁹ + 216y⁶
4) =( 1/4 a )³ - (1/5 b)³= 1/64a³- 1/125b³
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1) = b³- 4³= b³ - 64
2) = (2a)³+ (3b)³= 8a³+ 27b³
3) =( x³)³ + (6y²)³= x⁹ + 216y⁶
4) =( 1/4 a )³ - (1/5 b)³= 1/64a³- 1/125b³