$\left(2x^5-6x^4-46x^3+54x^2+332x+240\right)$

$\left|-6\right|-8$

$\log_b\left(3x-4\right)-\log_b\left(x+2\right)=\log_b\left(2\right)$

$\frac{1}{3}x\left(x-27\right)$

$\frac{\left(1-sin^2x\right)}{sinx+1}$

$\frac{\left(\sqrt{n+1}\right)}{n+2}\left(x-7\right)^{2n}$

$\lim_{x\to-1}\left(\frac{x-1}{\sqrt{5x-1}-2}\right)$