$\frac{3x^2+2x-5}{x+2}$

$\left(100a^4\:b^8-36m^10\:n^16\:\right)$

$1-\sin^2a$

$\lim_{x\to\infty}\left(\frac{\left(x-4\right)}{\left(x+4\right)\sin\left(-5x\right)\cot\left(2x\right)}\right)$

$\left(\sqrt{3}x\cdot y+6\right)\cdot\left(3x^2\cdot y^2-6\sqrt{3}x\cdot y+36\right)$

$f\left(x\right)=5x^{3}-2x^{2}$

$\left(2m\:-\:5y\right)^2$