$\sqrt{\frac{2x-y}{2x+y}}-\sqrt{\frac{2x+y}{2x-y}}$

$-6\left(3p+2\right)+4p$

$54.38+59+384.5+0.009+5$

$x^2y^2-x^3y+2xy^3=0$

$\left(2x\right)\left(-sinx\right)+\left(cosx\right)\left(2\right)-2\left(cosx\right)$

$\left[\left(x+y\right)-9\right]^2$

$2\left(y+5\right)=16$