$\left(6x^3+1\right)\left(6x^3-1\right)$

$\log\left(x-3\right)-\log\left(x+5\right)=\log\left(8\right)$

$\int\left(7x^{-3}+10x^{-\frac{1}{2}}+8x^{\frac{2}{5}}\right)dx$

$\frac{6x^3-5x^2-17x+6}{6x^2+7x-3}$

$56+\left(-12\right)+\left(42\right)+\left(14\right)-82-\left(18\right)$

$\left(-5\right)-3+\left\{4-\left(2+\left(3-5\right)-\left(-7\right)\right)+2\right\}-6$

$3x^2-10x+7=0$