Question

factorise 27a³+36a²b+12ab²​

Answer 1

Answer:

 27a3+8b3−18a2b−12ab2

=27a3−18a2b−12ab2+8b3

=9a2(3a−2b)−4b2(3a−2b)

=(9a2−4b2)(3a−2b)

=((3a)2−(2b)2)(3a−2b)

=(3a+2b)(3a−2b)(3a−2b) ------  since, a2−b2=(a+b)(a−b)

=(3a−2b)2(3a+2b)

Step-by-step explanation:

Hope It Is Helpful.