$\frac{x^2-3x+2}{\sqrt[3]{x^2}-\sqrt[3]{x+2}}$

$\lim_{x\to1\:}\left(\frac{ax^3-ax^2}{ax^2-ax}\right)$

$\int\frac{7+2x}{2x^2+14x+2}dx$

$\left(c-5b\right)\left(c+5b\right)\left(c^2+25b^2\right)$

$\int\cos^2\left(11x\right)\sin\left(11x\right)dx$

$4ab^3+5a^4b-7a^5b^2$

$x^4-4x^2+2x+5$