$\frac{d^2}{dx^2}\left(3x^3-2x^2+5x+6\right)$

$x^3\cdot\left(x^3+2x^2+x+1\right)^3$

$3x\left(2x+4xy\right)$

$\frac{dy}{dx}\left(sin\left(xy\right)+e^y=-x^2+2\right)$

$4x\left(-m^{14}+3m^5n^2-7m^3n^4\right)$

$\int\frac{\left(x^2\right)}{\left(9-x^2\right)}dx$

$\left(a^3-5x^2\right)^2$