$\sqrt{2x^2+x+2}=\sqrt{2x^{2\:}+3}$

$\lim_{x\to1.9}\:\left(x^2-3x+1\right)$

$\log\left(2x-8\right)+\log\left(x+1\right)$

$12\left(\frac{1}{1}\right)\left(\frac{600}{1}\right)\left(\frac{480}{1}\right)\left(\frac{1}{60}\right)$

$\left(w^6\right)^{\frac{1}{4}}$

$2x-2\sqrt{3x^2}+2$

$\left(x-16\right)\left(x\:+\:8\right)$