$4\left(x-3\right)+2=3\left(x+5\right)+x$

$3^4:3^1$

$9n^2-16$

$\int\frac{2}{3}x\left(\sqrt[8]{5-\frac{1}{5}x^2}\right)dx$

$\left(3a+8xy\right)\left(3a-7x^{2y}\right)$

$\left(x^5-3x^2+2x^3-5x^4+6\right)\cdot\left(3x^2-1\right)$

$\frac{13}{12}+\left(-\frac{1}{12}\right)$