$0.5v-10>7$

$\frac{\left(\left(\sqrt{2x^2+28}\right)-6\right)}{\left(x-2\right)}$

$\left(x^2-y^3\right)\left(x^2+y^3\right)$

$\left(\frac{1}{3}a+\frac{1}{4}b\right)\cdot\left(\frac{1}{3}a-\frac{1}{4}b\right)$

$\lim\:_{n\to\:\infty\:}\left(1+\frac{4}{n}\right)^n$

$2x^2-8x+x-4$

$\lim_{x\to0}\left(\frac{-4x^3+3x}{3x^2+2}\right)$