Question

simplfy (3x+4y)³(3x-4y)³-216x²y

Answer 1

what is the question in pictures

Answer 2

Solution:-
${(3x + 4y)}^{3} {(3x - 4y)}^{3} - 216 {x}^{2} y \\ {((3x + 4y)(3x - 4y))}^{3} - 216 {x}^{2} y \\ {(9 {x }^{2} - 16 {y}^{2} )}^{3} - 216 {x}^{2} y \\ 729 {x}^{6} + 4096 {y}^{6} - 216 {x}^{2} y$