$\left[\left(x+y\right)+3\right]\left[\left(x+y\right)^2-3\left(x+y\right)+9\right]$

$2\left(x-1\right)^2\le x\left(x+1\right)+2$

$\frac{d}{dx}\left(\frac{\left(2x^3+1\right)e^{x^5}}{x^2}x^x\right)$

$\frac{d}{dx}x^3+2x$

$tan\left(\theta\right)=-10$

$\log_b\left(125\right)=3$

$\int\frac{x^7}{x^4-2}dx$