\(\left(\dfrac{2}{3}x^2-\dfrac{1}{2}y\right)^3\)

\(\left(x^2-3\right).\left(x^4+3x^2+9\right)\)

\(\left(x-3y\right)\)

\(\left(x+2y+x\right).\left(x+2y-z\right)\)

\(\left(x+\dfrac{1}{4}\right)^2\)

\(\left(3x^2-2y\right)^3\)

\(\left(\dfrac{2}{3}x^2-\dfrac{1}{2}y\right)^3\)

\(\left(5x-y\right)^2\)

\(\left(2x+y^2\right)^3\)

\(\left(x^2+\dfrac{2}{5}y\right).\left(x^2-\dfrac{2}{5}y\right)\)