Question

Factorise 4(x-3y)³
+12(x-3y)²​

Answer 1

Answer:

4(2x−3y)  

2

−8x+12y−3

=4(2x−3y)  

2

−4(2x−3y)−3

Let (2x−3y) be a

=4a  

2

−4a−3

=4a  

2

−6a+2a−3

=2a(2a−3)+1(2a−3)

=(2a−3)(2a+1)

Putting the value of a

=[2(2x−3y)−3][2(2x−3y)+1]

=(4x−6y−3)(4x−6y+1)

hope it helps

Step-by-step explanation: