Question

-3(a+b)(2a+3b)-(2a-3b)csimplify ​

Answer 1

Answer:

i think dis is ans.

Step-by-step explanation:

2a+3b)(2a−3b)(4a

2

+9b

2

)

=(4a

2

−9b

2

)(4a

2

+9b

2

)

(∵(a+b)(a−b)=a

2

−b

2

)

=16a

4

−81b

4

.