$32-\left(32\cdot\frac{1}{4}\right)-\left(\frac{32-32\:\cdot\frac{1}{4}}{3}\right)$

$\int_0^1xe^{-1}dx$

$2\csc\left(x\right)-2\cos\left(x\right)^2\cdot\csc\left(x\right)$

$\int7\left(9-18y+9y^2\right)dy$

$2\cdot9-7$

$x^2-34x=0$

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