$\int\frac{3}{2\left(\frac{23}{16}+\left(z+\frac{1}{4}\right)^2\right)}dz$

$\left(13m-7n\right)^2$

$12a^2+6a^5+8a^7$

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

$\frac{\tan\left(y\right)}{\sin\left(2x\right)}y'-\frac{\cos\left(x\right)}{\sec\left(y\right)}=0$

$\log_e\left(x+6\right)-\log_e\left(x-3\right)=1$