$\left(\frac{28}{54}\left(x-2\right)^{\frac{5}{2}}\right)^2$

$4x+y+22x+4y$

$\frac{d}{dz}x^2=2yz^2$

$sin\left(\frac{\pi}{2}-x\right)\left[csc\left(\frac{\pi}{2}-x\right)-sin\left(\frac{\pi}{2}-x\right)\right]$

$3\left(x+y\right)-6\left(x^2-y^2\right)$

$1200\:+\:750\:+\:-450\:+\:210\:+\:-640$

$\frac{dy}{dx}=6x+2$