$\left(\frac{19}{13}\right)^{1.31409282145722}\left(0.461538\right)$

$\left(-x^2+6x-8\right)^2$

$2\left(m+10\right)=4\left(m-15\right)$

$15-\left(+3-8\right)$

$\int\left(3x-2\right)\cdot\sin\left(2x\right)dx$

$9-\left(-7\right)+\left(-6-\left(-7\right)\right)$

$\left(\frac{2}{3}x^{-\frac{1}{3}}\:y^{\frac{2}{3}}-\frac{3}{\:2}x^{-\frac{1}{4}\frac{1}{1}11}\:y^{-\frac{3}{2}}\right)^3$