Respuesta :

Answer: the answer is 36 choice D

Step-by-step explanation: just trust me I got you

Answer:

It is 6

Step-by-step explanation:

since the perfect square is a result for (a+b) ^2

which is equal to a^2+2ab+b^2 and if a=x and 2ab=12x

[tex]b = 12x \2x[/tex]

so b=6