$\frac{3}{x-4}+\frac{3}{x+4}=\frac{24}{x^2-16}$

$x^2-3x-2x+6$

$\frac{2\left(12.5x\right)}{4}$

$\lim_{x\to2}\left(\frac{3x-6}{3x-14}\right)$

$sin\left(x\right)sec\left(x\right)+csc\left(x\right)cos\left(x\right)=\:sec\left(x\right)csc\left(x\right)$

$\int2x\left(x^2+5\right)^{10}dx$

$\frac{x^6}{x^{-7}.\:x\:^{-8}}$