$\int\left(\frac{22s+22}{\left(s^2+1\right)\left(s-1\right)^3}\right)ds$

$\left(2x+1\right)\left(2x-1\right)=4x$

$\lim_{x\to\infty}\left(\frac{\sin\left(e^x\right)}{x^2}\right)$

$\frac{b^{-3}}{b^{-2}}$

$x^2+14x+49$

$\left(5^3x^2y^4\right)^0$

$\frac{8x^3}{27}\:\:\frac{-1y^3}{8}$