$-2x\left(e^y\right)y'=2\left(\left(e^y\right)+\left(\left(x^3\right)\left(e^{\left(2x\right)}\right)\right)\right)$

$\left(-18\right).\left(12\right):\left(4\right).\left(5\right):\left(10\right)$

$\sqrt[9]{\frac{x-4}{x-1}}$

$30x^2+13x+10$

$\lim_{x\to0}\left(\frac{1-cosx\cdot\sqrt{cos2x}\cdot\sqrt[3]{cos3x}}{x^2}\right)$

$x+\frac{\left(2x-3\right)}{9}+\frac{\left(x-1\right)}{3}=\frac{\left(12x+4\right)}{9}$

$x^2-19x+16$