Question

27p³-1/216 -9p²/2+ 1/4p

Answer 1

this is of the form (a-b)^3 =a^3-b^3-3(ab)(a-b)
=(3a)^3-(1/6)^3-3(3a*1/6)(3a-1/6)
=(3a-1/6)^3
=(3a-1/6)(3a-1/6)(3a-1/6)