$4+13+33$

$f\left(x\right)=x^3+2x^2+x$

$30a\left(b^2+1\right)+18a^2\left(b^2+1\right)$

$\log_a\left(a^x\right)=b$

$\left(+8\right)-\left(-4\right)-\left(+4\right)-\left(+10\right)-\left(-5\right)-\left(-8\right)$

$\left(4v\:-\:\:6\right)^2$

$-tan\left(x\right)-csc\left(x\right)-sin\left(x\right)$