Question

please help yar...!!❤✌☹☹


3rd question​

Answer 1

Answer:

Namaste here is your answer mate!

iii.) a²- 6ab - 9b²

Using identity:

a²- 2ab+ b² = (a - b)²

» (a)² - 2×a×3b + (-3b)²

» (a - 3b)²

Answer 2

Answer:

a²- 6ab - 9b²

Identity = a² + b² - 2ab

(a)² - (3)² + 2(-3×a)

(a-3)²