$5^1$
$-578+\left(-317\right)$
$\frac{dy}{dx}+\left(\cot\left(x\right)+1\right)y=1$
$x^3+3x^2-3x^2-9x+x+3+1$
$\sin^4u-\cos^4u=2\:\sin^2u-1$
$\int\frac{\left(5x^2-3x+9\right)}{\left(x-3\right)\left(x^2+4\right)}dx$
$\int9\sec^2\left(x\right)\tan\left(x\right)dx$
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