$2y-\frac{17}{4}+\frac{9}{4}$

$\left(\frac{2a^2b}{a}\right)^3$

$\lim_{x\to-3}\left(x^2+3\right)$

$\frac{kd^2}{2}=mg\cdot\left(h+d\right)$

$-\frac{169}{-13}$

$\int\left(\frac{tan^{-1}\left(6x\right)}{x}\right)dx$

$2\cdot\left[-3+5-\left(12-20+5-7+3\right)+4-\left(9-12+3+6+9\right)\right]$