$\sqrt[2]{5^2+12^2}+\left(-14\right)^2-\left(-155+84+78\right)$

$\lim_{x\to0}\left(x+2^x\right)$

$\lim_{x\to\pi}\:\frac{sin\left(2x\right)}{tan\left(8x\right)}$

$\left(\frac{2}{3}y-\frac{1}{5}z\right)^2$

$\lim_{x\to-\infty}\left(\frac{x^3-4x^2+6}{4+5x-7x^2}\right)$

$\int\left(4x\:+\:\sqrt{x}\:-\:\cos\left(x\right)\right)dx$

$9d+3g+18gd+6g$