$\frac{d^3}{dx^3}\left(3x^4+\frac{1}{2}\right)\sqrt{x}$

$15+3\cdot2$

$\left(2+csc\left(x\right)\right)\:-\:csc\left(x\right)$

$5z-7\left(z-1\right)=-\left\{2\left(z-3\right)\right\}$

$\left(m+2\right)^2\left(m-2\right)^2$

$\frac{12x^2-17x-40}{4x+5}$

$2^2+2\cdot2\cdot6+6^2$