$3\left(-2\right)-2\left(-1\right)-\left(3\right)$

$\frac{4a^2+2a+1}{2a^2+1}$

$63p^3+21p^2-7p$

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

$\left[\left(x-y\right)\left(x-w\right)\right]^2$

$\lim_{x\to infinity}\left(\frac{16x-3}{16x}\right)^{16x}$

$\int\frac{x^2+2x+1}{\left(x\right)\left(2x-1\right)\left(x+2\right)}dx$