$\left(3+5m\right)^2$

$\frac{1}{1+\sec\left(x\right)}+\frac{1}{1-\sec\left(x\right)}=-2\cot^2x$

$-4\left(1+8\right)$

$25t^2-104t+116$

$\lim_{x\to0}\left(\frac{\sin\left(x^3\right)}{x-\tan\left(x\right)}\right)$

$\int\frac{13x-8}{13x^2-16x+5}dx$

$8x\left(x-9\right)-3y\left(x-9\right)$