$-2\cdot\left(-5\left(5-1\right)\cdot\left(-3\right)+2-\left(2-5\right)\cdot\left(-2-1\right)\right)$

$y\cos\left(x\right)+2xe^y+\left(\sin\left(x\right)+x^2e^y+2\right)\frac{dy}{dx}=0$

$6 x ^ { 3 } - x ^ { 2 } + 12 x - 2$

$14\cdot32$

$9b^2-16x^4$

$-5-3-2+x-x$

$\int\frac{\sqrt{5+2tan}}{cos^2}dx$