$\frac{1}{2}x\left(1-x\right)^{-\frac{1}{2}}.\left(1-x\right)^{\frac{1}{2}}$

$\int x\left(\csc^2t-2e^t\right)dt$

$\left(2^3\right)^{-5}$

$\left(m+5\right)\left(m-3\right)\:=\:m^2+3m-10$

$\frac{8x-22}{x^2-x+9}-\frac{11}{x^2-3x}=\frac{8}{x}$

$\left(\sin30^{\circ}-\cos30^{\circ}\right)^{2}$

$2x^2+x+8$