$b^2+80a=0$

$x+\frac{y}{2}=7$

$\sqrt[8]{a^{16}\cdot b^{15}}$

$\frac{4x^0y^{-2}z^3}{4x}$

$\frac{d^3}{dx^3}\left(-\frac{1}{2}x^{-1}-\frac{1}{3}x^3-\frac{1}{3}x^4-\frac{3}{4}x^5\right)$

$\int_{-2}^4\left(\left(3x+1\right)-\left(3x^3+1\right)\right)dx$

$( a + 6 ) ( a - 8 )$