$10x-2+20x^2+15x-3$

$2\left(15-6\right)+5\left(10+2\right)\left(4\right)$

$\int\left(\frac{sec^2\left(3x\right)}{tan\left(3x\right)+1}\right)dx$

$\sqrt[2]{3^1}y^{\frac{3}{5}}$

$x^2-10x+20$

$\int_0^{2\pi}\left(\cos\left(x\right)\right)dx$

$4cos\:y\:sin\:y\:\left(1-2sin^2y\right)$