$\int\frac{5x}{3x-2}dx$

$\left(x-12\right)\left(x-15\right)$

$\left|-9\right|+\left|5\right|$

$632\cdot27$

$\int\left(\frac{1}{\sqrt{20+8x+x^2}}\right)dx$

$\frac{1}{3}\left(x+23\right)=\frac{5}{3}x+\left(x-4\right)^2$

$3\cdot\left(\frac{a}{b}\right)\left(\frac{2}{3}y^2\right)^2$