$\left(-2+\sqrt{x}\right).\left(+2+\sqrt{x}\right)$

$\int\frac{x^2+12x-5}{\left(x+1\right)^2\left(x-7\right)}dx$

$\lim_{x\to5}\left(x^2+x\right)$

$\sqrt[4]{\frac{256}{16}}$

$y\left(q\right)=cos^2\left(q\right)\cdot tan\left(q\right)+sin^2\left(q\right)\cdot tan\left(q\right)$

$\left(\left(\frac{x}{y^3}\right)\frac{1}{2}\right)^{\frac{2}{3}}$

$\int x\left(2x^2+5\right)^4dx$