$\int\sin\left(3x+1\right)e^{\cos\left(3x+1\right)}dx$

$\left(\frac{\left(-5x^2y^3\right)}{6}\right)\left(\frac{\left(-3x^my^{n+1}\right)}{10}\right)$

$\left(-1\right)^3\left(1\right)^2\:-\:2\left(0\right)\left(-1\right)^2\:+\:3\left(0\right)^5+5\left(1\right)$

$2-\left(-1\right)-\left(-2\right)$

$x-11=16$

$\frac{a^{20}}{a^{-7}}$