$-x+4,1\le0$
$\int_{-3}^{-1}\left(\left(2t+5\right)\right)dt$
$\cos\left(x\right)\sec\left(x\right)-\sin^2\left(x\right)=\cos^2\left(x\right)x$
$14-1$
$\frac{dy}{dx}\left(x^y=y+1\right)$
$ab^2\left(a^2-2^a+ab^2\right)$
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