$\left(\frac{1}{2}m^3-\frac{2}{3}m^2\right)+\left(-\frac{2}{5}m^3+\frac{1}{6}m^2\right)$

$x^2yz+3xy^2z-2xtz^2-3xy^2z+xyz^2-x^2yz$

$x^2-14x-1=0$

$-10+-15-25+150$

$\frac{2x^3+x-1}{x^2-6x+2}$

$\int x\left(x^3-\sqrt{3}x^2+\frac{s}{x}-5e^2\right)dx$

$\int\frac{x}{\sqrt[3]{2x+1}}dx$