$10n^2-17n+4$

$16x^2-32x=65$

$18-\left|2+\left(7-3-8\right)-10\right|$

$2\frac{1}{2}2$

$\lim_{n\to\infty}\left(\left(n+2\right)\right)$

$\int_0^{1.36\cdot10^{-4}}\left(21\sin\left(\frac{2\pi x}{0.015}\right)+6\right)\left(cos\left(\frac{2\pi x}{0.015}\right)\right)dx$

$\frac{16x^3+12x^2-24x+14}{4x+1}$