$\frac{1}{4}t-\frac{1}{2}=\frac{1}{8}t$

$3\left(-8+8x\right)$

$\left(-1\right)^n\frac{\left(x-8\right)^n}{4n+1}$

$ye^t\frac{dy}{dt}=e^{-y}+e^{-2t-y}$

$\frac{d}{dx}e^{9+x-x^2}$

$5+2+7+9+3+2+1$

$\frac{csc\left(x\right)cot\left(x\right)tan^2\left(x\right)}{cos\left(x\right)}$