$-79+-11$

$\left(-1\right)^{-3}$

$\int\frac{4x-2}{3\left(x-1\right)^2}dx$

$\int\:\left(x^7-2x^5\right)\left(7x^6-10x^4\right)dx$

$\left(2e\right).\frac{1}{2}$

$\frac{\sin\left(x\right)}{\cos^2\left(x\right)\cos\left(x\right)}$

$-\:\left(-3\right)\:\left(-5\right)\:-\:8\:\left(-12\right)$