$\int\left(5t^3+2t+8\right)dx$

$c-416=-416$

$4x-2\cdot\left(3x-1\right)$

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

$\int\left(\frac{x^6}{\left(x^7+2\right)^9}\right)dx$

$+\left(32\right)-\left(-43\right)$

$2n+12-n-3$