Question

Expand using formula .
1.(2a-3b)2
2. [P

Answer 1

Step-by-step explanation:

(2a-3b)²

(2a)² - 2×2a×3b + (3b)² ( Using the identity of (a-b)² = a² + b² - 2ab )

4a² - 12ab + 9b²

Answer 2

Answer:

(2a-3b)*(2a-3b)

Step-by-step explanation:

4aa-12ab+9bb