$9xyz-18x^2yz+27x^3z^2$

$121x^2-144$

$\:\left(x^4\:+\:x^3\:-\:8x^2\:-\:5x\:+\:20\right)\:\:\left(\:x\:+\:2\right)$

$\left(x+16\right)\left(x-16\right)$

$2\log\left(x\right)=\log\left(2\right)+\log\left(4x-6\right)$

$\log_a\left(a\right)^3$

$\left(\frac{t+3}{2+3}\right)\cdot\left(\frac{t+1}{2+1}\right)\cdot\left(\frac{t-0}{2-0}\right)$