Question

Factorise:
27x^3 - 1/216 -9/2x^2 +1/4x

Answer 1

Hello,

Explanation:

`27x^3-(9)/(2)x^2+(1)/(4)x-(1)/(216) \\\\=(3x)^3-3*(3x)^2*(1)/(6) +3*(3x)*((1)/(6) )^2-((1)/(6) )^3\\\\=\boxed{(3x-(1)/(6) )^3}`