Question

It is 30 points and will give brainliest

Answer 1

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~