$y^3\frac{dy}{dx}\left(y^4+1\right)\cos\left(x\right)$

$5-\left(2-i\right)$

$\lim_{x\to2}\left(\frac{\left(x-2\right)^2sin\left(x\right)}{\left|x-2\right|}\right)$

$y'-2y=\left(t^2\right)\cdot e^{\left(2t\right)}$

$\left(\frac{3}{5}x^4-\frac{6}{7}x^3\right)^2$

$4x+38^{\circ}3x-26^{\circ}$

$\left(x+v\right)^3$