$\int\left(\left(\frac{3u}{34}+\frac{v}{17}\right)^2+\left(\frac{u}{68}+\frac{3v}{17}\right)\right)dx$

$\frac{5+3x}{23}<1$

$\left(3w+2z\right)\left(9w^2-6wz+4z^2\right)$

$4x^2+11x=15$

$\int\left(2t+3\right)\left(\frac{t}{2}\right)dt$

$2ac-5bd-2ad+2ad+5b-5bc$

$\int\frac{x^3}{\sqrt{x^2+100}}dx$