Question

17. (2a + 3b)2 – 16c2​

Answer 1

Answer:

(2a + 3b)² - 16c²

=> (2a + 3b)² - (4c)²

Using identity :

x² - y² = (x + y)(x - y)

=> (2a + 3b)² - (4c)²

=> (2a + 3b + 4c)(2a + 3b - 4c)

Step-by-step explanation:

Answer 2

Answer:

4a2 + 9b2 - 16c2 + 12ab

Step-by-step explanation:

I hope this helps you .....