Bài 2:
a: \(8x^3-36x^2+54x-27=\left(2x-3\right)^3\)
b: \(x^3+6x^2+12x+8=\left(x+2\right)^3\)
c: \(27x^3+8y^3=\left(3x+2y\right)\left(9x^2-6xy+4y^2\right)\)
d: \(x^3-\dfrac{y^3}{8}=\left(x-\dfrac{1}{2}y\right)\left(x^2+\dfrac{1}{2}xy+\dfrac{1}{4}y^2\right)\)