$\left(\frac{1}{3}m\right)^2+\left(\frac{2}{5}+\left(-\frac{1}{2}\right)\right)\left(\frac{1}{3}m\right)+\left(\frac{2}{5}\right)\left(-\frac{1}{2}\right)$

$\int\frac{88}{\left(x^2-121\right)}dx$

$\frac{d}{dx}y=\frac{3}{2x-1}$

$\frac{-8}{11}x\frac{21}{8}$

$\left(\frac{2m^{-1}n^5}{3m^0n^4}\right)^2$

$\csc x\sin2x-\sec x=\cos2x\sec x$

$\left(-6x^2+8x-5\right)-\left(4+2x^2-3x\right)$