$\int\left(6xln\left(2x\right)\right)dx$

$4\left(x^2-10x\right)+4\left(y^2-6y\right)=-225$

$\int\left(x-3x^2\right)\ln\left(x\right)dx$

$\lim_{x\to2}\left(\frac{sin\left(\pi\right)}{\ln\left(x-1\right)}\right)$

$\frac{-14}{7}+8$

$\:\left(-9\right)-\left(+8\right)-\left(-1\right)-\left(+13\right)-\left(-25\right)$

$b^2+26b+33$