Question

pls help me friends it's urgent​ pls​

Answer 1

Answer:

$= 4q^{2} - 9q^{2} \\\\= q^{2} (4 - 9)$

Other way

4q^2 - 9q^2 = a^2 -b^2

4q^2 = (2q)^2

9q^2 = (3q)^2

(2q-3q) (2q+3q)

Answer 2

Answer:

I have send the pic

Step-by-step explanation:

It is nothing but the identity

a²-b²=(a+b)(a-b)

(2p)²-(3q)²

(2p+3q)(2p-3q)