Question

Factorise 27x^3 - 216y^3

Answer 1

Answer:in order to factorise this we will use a identity

Step-by-step explanation: which  is (a+b) (a-b) =a2-b2

=27x^3-216^3 = then you find the cube root of 27 and 216

which is 3x and 6

final answer = (3x+6) (3x-6)

hope this answer helped you