$-1o+-11$

$\frac{dy}{dx}+e^{t+z}=0$

$\left(8x^{3}+10x^{2}+9x+7\right)+\left(2x+1\right)$

$\int\left(\frac{x}{\left(x^4+4\right)}\right)dx$

$\frac{dy}{dt}=cos\left(t\right)\left(cos\left(y\right)\right)^2$

$\lim_{x\to\infty}\left(\frac{8x-3}{4x+2}\right)$

$46-7\cdot4+2\cdot\left(3+5\right)$