$\frac{dy}{dx}\left(x^2y^3-8xy^2=9\right)$

$3 x ^ { 3 } - 6 x$

$\left(x+5\right)=5$

$\frac{2}{l}\int_0^l\:\:x\left(l^2-x^2\right)sen\left(\frac{n\pi\:\:x}{l}\right)dx$

$\left(a^3-64b^3\right)$

$\int\frac{\left(x+2\right)^2}{x^3+6x^2+12x+4}dx$

$\int2xcoth\left(x^2\right)dx$