$\left(x+\frac{5}{6}\right)^2=\frac{169}{36}$

$\sqrt{a^9}\sqrt[3]{\left(b+1\right)}^5-81\sqrt{a}\sqrt[3]{\left(b+1\right)}$

$-6x\left(-3x-10\right)$

$\frac{dy}{dx}\left(2x-3y=1\right)$

$\frac{dy}{dx}=2\cos5x$

$\frac { y ^ { 10 } } { y ^ { - 5 } }$

$\frac{\sec\left(x\right)-1}{\tan\left(x\right)}=\frac{\tan\left(x\right)}{\sec\left(x\right)-1}$