$-577x-71x^2$

$\sin\left(f\right)=\csc\left(f\right)-\cos\left(f\right)\cot\left(f\right)$

$-\frac{8}{3}x^5y-\frac{3}{4}x^5y-\frac{7}{2}x^5y$

$\int e^{9x-1}dx$

$\int\left(x^5\sqrt{2+x^2}\right)dx$

$x^2\:\frac{1}{4}x+k$

$\lim_{x\to0}\left(\frac{t-1}{t\cdot\ln\left(t\right)}\right)$