$\left|5+5\left(6+9\right)-3\left(7+5\right)\right|\left|4\left(5+6\right)-3+8\right|$

$\lim_{x\to2}\left(\frac{4x^3+8x}{x+4}\right)^{\frac{1}{3}}$

$\int\frac{x+1}{\sqrt{9-x^2}\:}\:dx$

$\lim_{x\to\infty}\left(\cos\left(\frac{x^7}{x^8}\right)\right)$

$4y^2-3y+9x-7x^2y^2+8x^2-3x+10-12y$

$\int_0^t\frac{2\left(x-2\right)}{\sqrt{25\:-\:\left(x-2\right)^2}}dx$

$\frac{5x^4+6x^3-7x^2+11x-1}{x-5}$