$g\left(x\right)=\frac{3}{1+\left(3x\right)^2}$

$\frac{dx}{dy}+x=e^{2y}$

$\frac{-a}{3}-\frac{a}{4}+\frac{3a}{2}$

$\sqrt[5]{32x^5y^{10}z^{15}}$

$16m^2-40m+25$

$\left|\frac{3}{8}+14\right|<11$

$\frac{\sin\:^2x-8\sin\:\:x+7}{\cos\:^2x}=\frac{7-\sin\:\left(x\right)}{1+\sin\:\left(x\right)}$