Question

Factorise : 9a²-4b² ​

Answer 1

Step-by-step explanation:

(3a)²-(2b)²

(a+b)(a-b)

(3a+2b)(3a-2b)

Answer 2

Answer:

${ \huge{ \bold{ \blue{⛄Answer⛄}}}}$

9a²- 4b²

= (3a)²- (2b)²

= (3a-2b) (3a+2b)