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

$\left(20wxy^3\right)^0$

$log\:\left(x^5\right)=\left(log\:x\right)^2$

$\left(-5x+3\right)-\left(-6x\right)+\left(-5x-2\right)-\left(-3x\right)$

$\left(\csc\theta+\cot\theta\right)^2=\frac{1+cos\theta\:}{1-cos\theta\:}$

$x\left(2x-5\right)^{-\frac{1}{2\:}}+2\:\left(2x-5\right)^{\frac{1}{2}}-\:2\left(2x-5\right)^{\frac{1}{2}}$

$15\cdot\left|-14\right|$