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

$\frac{\left(1-cos^2x\right)}{sin\left(2x\right)}$

$14:2\left(-1\right)+2+4-5:\left(-1\right)$

$\int\frac{-5x+80}{192\left(x^2+8x+64\right)}dx$

$4-\left(-1\right)-\left(-4-\left(-1\right)\right)$

$m^2-6m+8$

$\frac{dy}{dx}\left(x+2\right)^2\sqrt{x^2+2}$