$y^2+12y-36$

$\int\left(\left(\left(1-sin\left(\frac{x}{2}\right)^2\right)\right)cos\left(\frac{x}{2}\right)\right)dx$

$\left(\frac{1}{u}\right)^2-\left(\frac{1}{x}\right)$

$\int_0^{\frac{\pi}{2}}\left(\frac{1-sen\left(x\right)}{cos\left(x\right)}\right)dx$

$\frac{dy}{dx}=4x+\left(\frac{9x^2}{\left(3x^3+1\right)^{\frac{3}{2}}}\right)$

$\lim_{x\to\infty}\left(\frac{2x^2-5x+1}{4x+4}\right)$

$\left(8x-\frac{1}{4}\right)\left(8x+\frac{1}{4}\right)$