Answer:
[tex]( 5 + 6b^3)^2 = 36b^6 + 60b^3 + 25[/tex]
Step-by-step explanation:
[tex](a + b)^2 = a^2 + b^2 + 2ab[/tex]
So,
[tex](5 + 6b^3)^2 = (5)^2 + (6b^3)^2 + 2 (5)(6b^3)[/tex]
[tex]= 25 + 36b^6 + 60b^3[/tex]
