$-\left(-458\right)-\left(-67\right)-\left(+796\right)-\left(+37\right)-\left(+897\right)-\left(-7632\right)$

$+\left(+4\right)+\left(-\left(+6\right)\cdot5\right)$

$\cot\left(x\right)\cdot\sin\left(x\right)+\tan\left(x\right)\cdot\cos\left(x\right)$

$x^5y^5-x^9y^3+x^6y^6$

$17z+10z+10$

$\int x^3\sqrt{x^2+28}dx$

$\frac{\left(x^2+4x+8\right)}{x^2-4x+8}$