Respuesta :

I assume you really mean #5 and the Answer is A

(3a2 + 2b2)(3a2 + 2b2)

Use F.O.I.L. to get your terms
9a4 + 6a2b2 + 6a2b2 + 4b4

Add like terms

9a4 + 12a2b2 + 4b4