IDNLearn.com is designed to help you find the answers you need quickly and easily. Find reliable solutions to your questions quickly and accurately with help from our dedicated community of experts.
Answer:
9B^2-12B+4
Step-by-step explanation:
use (a-b)^2 = a^2-2ab+b^2
(3B)^2 - 2x3B x 2 +2^2
raise a product to a power
9B^2-12B+4