$\left(2x-5\right)^2$

$2\cot^2\left(x\right)=\frac{1}{\sec\left(x\right)-1}-\frac{1}{\sec\left(x\right)+1}$

$y\cdot\sqrt{1-x^2}\cdot\frac{dy}{dx}+3\cdot e^{y^2}=2x\cdot e^{y^2}$

$\int_0^{\frac{\pi}{2}}\left(tan^5x\:sec^3x\right)dx$

$\int\frac{8}{2x^2-x-3}dx$

$\int\left(6\left(2x-3\right)^2\right)dx$

$\int e^{3x}\left(3+e^{3x}\right)^2dx$