$\left(2x^4y\right)^{-3}\left(-3x^{-1}y^5\right)$

$arctan\left(sinh\left(x\right)\right)=arctsin\left(tanh\left(x\right)\right)$

$4x^{2h}-\left(x+y\right)^2$

$\int\left(x^2\left(\sqrt{1+\frac{x}{2}}\right)\right)dx$

$400+900x^6-1200x^3$

$\lim_{x\to1}\left(3x^2+17x-1\right)$

$100d^2-60d+9$