$q\left(x\right)=2x^{4}+10x^{3}-14x^{2}-82x-60$

$\frac{\sin2x}{\sin x}=\frac{2}{\sec x}$

$\frac{3x+9}{2x+1}+2$

$\frac{1}{3}\sin\left(3y\right)-\frac{1}{2}\cos\left(2x\right)=c$

$12xy^3z^6\:\:4x^5yz^{12}.$

$\lim_{x\to0}\left(\frac{\tan\left(4x\right)}{\tan\left(3x\right)}\right)$

$30y\:+\:2\:$