Answer:
4a2−4ab+b2
Step-by-step explanation:
(2a−b)2 =(2a+−b)(2a+−b)
=(2a)(2a)+(2a)(−b)+(−b)(2a)+(−b)(−b)
Sooo our equation =4a2−2ab−2ab+b2
Hoped I helped -
Sleepy~
Answer:
The second one :) Hope it helps
Step-by-step explanation:
7.
7 squared gives 49, and it is a prime number.
The answer is C because when you divide it out you get 6