$\lim_{x\to0}\left(\frac{\sin^2\left(x\right)-x^2}{\left(e^2\right)}\right)$

$\left[\left(6-10\right)+\left(2-5\right)\right]-\left[\left(7+3-5\right)-\left(8-11\right)\right]$

$\left(5x^2-6y^5\right)^3$

$\sin\left(x\right)\cos^2\left(y\right)-\cos\left(x\right)\sin\left(y\right)\frac{dy}{dx}=0$

$3a\left(m-5\right)+24\left(m-5\right)$

$\frac{x^2-10x-18}{x+5}$

$\int e^{tan\left(x\right)}sec^2xdx$