Question

4(2x+3y)²-9(2x-3y)²
factorise ​

Answer 1

Answer:

Applying the identity: a

2

−b

2

=(a+b)(a−b)

Using the above identity, the equation 4x

2

−9y

2

−2x−3y can be factorised as follows:

4x

2

−9y

2

−2x−3y=(2x)

2

−(3y)

2

−2x−3y=(2x+3y)(2x−3y)−1(2x+3y)=(2x+3y)(2x−3y−1)

Hence, 4x

2

−9y

2

−2x−3y=(2x+3y)(2x−3y−1)

hope it helps you.....

Answer 2

Answer:

(2x+3y)(2x+3y)(4-9)