Question

( 3a - 2b ) ( 3a + 2b ) ( 9a^2 + 4b^2 )​

Answer 1

Step-by-step explanation:

81a^4-16a^4, ask if not understood so that we can send you the answer

Answer 2

Step-by-step explanation:

$(3a - 2b)(3a + 2b)(9 {a}^{2} + 4 {b}^{2} ) \: is \: your \: question \: right \: \\ \\ \\ the \: answer \: is \: {81a}^{4} - {16b}^{4}$