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

$741+-282$

$\frac{-1}{\sqrt{1-y^2}}dy=\left(-\left(\frac{1}{\sqrt{1-x^2}}\right)\right)dx$

$0.1817588727-\left(\frac{\left(-0.9999999606\right)\left(1.3-0.1817588725\right)}{12.78584918-\left(-0.9999999999\right)}\right)$

$2.97+-2.25$

$\left(x-2\right)\frac{dy}{dx}+y=x^2-4$

$\left(9-\:3x^4\right)^2$