Question

this answer only..............

Answer 1

here is the solution of your question
8a^3 +b^3 + 12a^2 + 6ab^2
this polynomial is in the form of a^3+b^3+3a^2b+3ab^2.
a^3+b^3+3a^2b+3ab^2 = (a+b)^3
Here, 
a = 2 and b = 1b
(2a)^3+(1b)^3+3*(2a)^2*1b+3*2a*(1b)^2 = (2a+b)^3
                                                                 = (2a+b) (2a+b) (2a+b)
these 3 are the factors....
hope it would help........

Answer 2

Answer:

8a^3 +b^3 + 12a^2 + 6ab^2

this polynomial is in the form of a^3+b^3+3a^2b+3ab^2.

a^3+b^3+3a^2b+3ab^2 = (a+b)^3

Here,

a = 2 and b = 1b

(2a)^3+(1b)^3+3*(2a)^2*1b+3*2a*(1b)^2 = (2a+b)^3

                                                                = (2a+b) (2a+b) (2a+b)

these 3 are the factors