$-x^2-4x-4$

$\left(-6y^2-6y+1\right)=0$

$\log\left(p\right)+\log\left(q\right)-\log\left(r\right)-\log\left(s\right)$

$\left(5m^3\right)^2-7\left(m^2\right)^3$

$-\left(-4\right)-\frac{\left(-16\right)}{2}$

$\frac{a+16}{5}=10$

$\lim_{x\to1}\left(x^{\frac{1}{\left(x^2+x-2\right)}}\right)$