(4a-b)²=? (4a-b)³? (4a+b)³?

(4a-b)²=(4a)²-2*4a*b+b²=16a²-8ab+b² (4a-b)³=(4a)³-3*(4a)²*b+3*4a*b²-b³=64a³-48a²b+12ab²-b³ (4a+b)³=(4a)³+3*(4a)²*b+3*4a*b²+b³=64a³+48a²b+12ab²+b³