$\left(-3x+y+6\right)dx+\left(x+y+2\right)dy$
$\csc^2\left(a\right)=\cos^2\left(a\right)$
$\frac{dy}{dx}+2xy=10x$
$-5-8\left(2\right)$
$4x-4y+2z=32$
$\left(5x^2-3x-4\right)$
$\left(\frac{3}{2}a^3+\frac{1}{3}b\right)^3$
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