$24x-4x^2$

$\int3x^4e^xdx$

$\lim_{x\to\frac{\pi}{2}}\left(\frac{\sin^2\left(2x\right)}{1-sin^2\left(x\right)}\right)$

$\frac{\left(5sin^2\left(x\right)\right)}{x^2}$

$\frac{\left(\sqrt{8xy^3}\sqrt{18x^3y^3}\right)}{6xy^2}$

$\sin\:^4\left(x\right)-sin^2x\:+\frac{1}{16}\:=0$

$7a^{2}x^{3}-6b^{2}-4a^{2}x^{3}+8b^{2}+a^{2}x^{3}$