$\log_{10}\left(8\right)+\left(x^2-5x+7\right)\cdot\log_{10}\left(3\right)=\log_{10}\left(24\right)$

$4\cdot\left(-10\right)-6$

$\lim_{x\to1}\left(\frac{x^2}{1-x}\right)$

$\sqrt{16}x^2y^2+\frac{1}{5}xy-\sqrt[3]{125}z$

$y=\left(1+u^2\right)^2$

$\left(x\:+\:5\right)\left(3x\:+\:3\right)$

$y^2+5y-12$