$\left(\frac{a^{\frac{7}{2}}b^{\frac{4}{3}}c^{-9}}{a^0b^{-1}c^{-2}}\right)^{\frac{-1}{7}}$

$\left(w+4\right)\left(3w-4\right)$

$m^2+8m+12$

$\frac{1}{5x+10}+\frac{1}{5x+6+x^2}$

$\frac{45m^{-2}p^2v^{12}}{15m^{-2}p^8v^{-4}}$

$\frac{24ab^3}{a}$