!!20 points and Brainliest!!! PLEASE ONLY ANSWER IT IF YOU KNOW THE ANSWER PLEASE!!!

What should be done to x^2 - 12x to create a perfect square?

A) add 36

B)subtract 6

C)add 6

D)subtract 36

20 points and Brainliest PLEASE ONLY ANSWER IT IF YOU KNOW THE ANSWER PLEASE What should be done to x2 12x to create a perfect square A add 36 Bsubtract 6 Cadd class=