$-\left|-3+7\right|$

$8^{-5}\cdot8$

$-8\left(3x-5\right)$

$\lim_{x\to\infty\:}\ln\left(\frac{\left(x+3\right)}{x+2}\right)$

$1-8t^5+16t^{10}$

$\frac{1+\frac{\sin\left(x\right)}{\cos\left(x\right)}}{1-\frac{\sin\left(x\right)}{\cos\left(x\right)}}$

$\lim_{x\to\infty}\left(_{\frac{\left(x+1\right)}{x+2}}\right)$