Question

Factorise : 216x-27x^4

Its urgent!! pls help! ​

Answer 1

Answer:

[(6-3x)(36+9x^2 + 18x)]

Step-by-step explanation:

216x-27x^4

= x(216-27x^3)

= x [ ( 6^3) - (3x)^3]. now apply a^3-b^3 identity

= x[(6-3x)((6)^2+ (3x)^2 + (6)(3x))]

= 3[(6-3x)(36+9x^2 + 18x)]