$\int\sin\left(2x+3\right)dx$

$13\left(-y-5z=-10\right)\:-1\left(13y-7z=-14\right)$

$\frac{dy}{dx}=\frac{-y^2-2y-1}{yx^2-y}$

$\int\frac{5x-6}{\sqrt[3]{x-1}}dx$

$\left(4\:^6\right)\left(4\:^{-8}\:\right)$

$2+\left[5+2+\left(8\cdot8-20\right)+10-10\right]$

$y'=4-9x^2-6x^5$