$\int7e^{8x}dx$

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

$\log\left(2x+1\right)=\log\left(15\right)$

$y^{\prime}=-\cos\frac{1}{2}x$

$\ 2xy-10x+\left(x^2-4\right)\frac{dy}{dx}=0$

$\lim_{x\to3}\left(4x^3+8x^2-2x+1\right)$

$4x+1>10$