$\left(3\right)^4-\left(2\right)^2+2\left(3\right)\left(2\right)$

$\left(3-8y\right)\cdot\left(3\right)$

$\int\:\left(\frac{2xe^{x^2}}{4+e^{x^2}\:}\right)dx$

$\int x\:\:\left(3x+2\right)^4\:dx$

$\left(4y\:+\:10\right)\:-\:\left(6y\:+\:8\right)$

$25x^4+10x^3-5x^20$

$f\left(s\right)=\frac{1}{\left(s^2+s\right)^3}$