Question

Combine like terms.
(x+6)(x+6)

Answer 1

x squared + 12x squared +36

Explanation:

x(x+6) + 6(x + 6)

Then further solving

Hope this helps

Answer 2

(x+6)(x+6)

(x+6)^2

Always remember this identity

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

So, Now take x=a , 6 =b

Substitute above values

x^2 + 36 +2(x)(6)

=x^2 +36 +12x

=x(x+12) +36