$\lim_{x\to-\infty}\left(\frac{x^{\frac{1}{3}}}{\left(\left(1-\left|x\right|\right)^{\frac{1}{3}}\right)}\right)$

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

$-x^2-2x+8$

$3\cdot8+4\cdot7$

$441x^2+42+1$

$16x-y^4=0$

$\frac{2-\frac{7}{x}+\frac{3}{x^2}}{2+\frac{3}{x}-\frac{2}{x^2}}$