Question

2. ab? in (a - 2b)2.
he expansion of
4. (x2 - yx)"?, x +0.
he expansion of (x – 2y)12.
18​

Answer 1

Step-by-step explanation:

(a-2b)²

a²-4ab + 4b²

Hope it helps

Answer 2

1. (a-2b)²

2. a²-4ab+4b²

Answer is here