$\lim_{x\to0}\left(\frac{sin\left(4x\right)-x^2}{x}\right)$

$\left(n+2\right)^5$

$\frac{\left(sin\:x-cos\:x\right)^2}{cos\:x}$

$\int sin^3\left(3x\right)cos^9\left(3x\right)dx$

$8x\left(3\right)+512$

$\left(3\right)\left(\frac{1}{x}\right)\left(\frac{1}{y}\right)$

$\frac{dy}{dx}36x^9+34x^6+74x^3$