Question

(5+6b^3)^2 expand and combine like terms

Answer 1

`( 5 + 6b^3)^2 = 36b^6 + 60b^3 + 25`

Explanation:

`(a + b)^2 = a^2 + b^2 + 2ab`

So,

`(5 + 6b^3)^2 = (5)^2 + (6b^3)^2 + 2 (5)(6b^3)`

`= 25 + 36b^6 + 60b^3`