a: \(8x^3+12x^2+6x+1=\left(2x+1\right)^3\)
b: \(-x^3+3x^2-3x+1=\left(-x+1\right)^3\)
c: \(8-2x+6x^2-x^3=\left(2-x\right)^3\)
d: \(8x^3+12x^2+6x+1=\left(2x+1\right)^3\)
e: \(1-9x+27x^2-27x^3=\left(1-3x\right)^3\)
f: \(a^3+12a^2+48a+64=\left(a+4\right)^3\)
g: \(-b^3+6b^2-12b+8=\left(-b+2\right)^3\)
h: \(\left(m-n\right)^6-6\left(m-n\right)^4+12\left(m-n\right)^2-8=\left[\left(m-2\right)^2-2\right]^3\)