Question

simplify the follwing (2a + 3)^2 - (2a -3 )^2 ​

Answer 1

Answer:

hope you understand..

Answer 2

(2a + 3)^2 - (2a -3 )^2

= {(2a+3) + (2a-3)} {(2a+3) - (2a-3)} [a^2-b^2 =(a+b)(a-b) ]

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

= 4a × 6

= 24a

hope my answer helps you!