$\left(5p-3q\:+\:10r\right)\:^2$

$2\left(3-2x\right)<8$

$\left(\frac{2}{5}m^2+\frac{1}{3}mn-\frac{1}{2}n^2\right)\left(\frac{3}{2}m^2+2n^2-mn\right)$

$\lim_{x\to4}\left(\frac{3x+3}{2x-5}\right)$

$8\cdot15x\cdot1\cdot1x-5\cdot15x-5\cdot1$

$\frac{2\left(8n^4-m^4\right)}{2n+2m}$

$3x^3>75$