$\left(3x\:2\:+\:17\right)\:\left(17\:-\:3x\:2\:\right)$

$\frac{\left(4x^2-10\right)\left(4x^2+60\right)}{4}$

$\left(\frac{2x^3y}{3a^2b^4}\right)^3\left(\frac{x^2y}{a^2b^4}\right)^0$

$9+\frac{\left|6\right|}{\left|-3\right|}$

$\int\left(\frac{4x-9}{4x-5}\right)dx$

$\left(1-x^2\right)\left(1+x^2\right)$

$\int\:\frac{1}{\left(x\right)^2+4}dx$