$-9\int cos^2z\:dz$

$\frac{dy}{dx}=\frac{\left(y^2+2y-8\right)\left(18x+6\right)e^{3x}}{12}$

$\left(12r^8+3s^9\right)^2$

$\left(tan^2\left(x\right)+1\right)\left(cos^2\left(x\right)\right)+3tan\left(x\right)cot\left(x\right)\:$

$3\left(m+2\right)^2+4\left(m+2\right)+1=0$

$10x-9\left(x+3\right)\ge8x-15$

$\int_{-\infty}^{-1}\left(\frac{5}{\sqrt{3-x}}\right)dx$