$5n+8+2n-1$

$\frac{dy}{dx}\cos\left(y\right)+\cos\left(x\right)$

$\int\frac{1}{\left(x^2+3x+2\right)\left(x-3\right)}dx$

$+1-\left[-4+\left(-10\right):\:\left(-5\right)\right]+\:\left[+3+\left(-9\right):\:\left(-9\right)\right]$

$24^7$

$10x^2+20x+10$

$\int_0^a\left(\frac{1}{\sqrt{6x+2}}\right)dx$