$a^2+32a+256$
$1+4\left(6n-9\right)$
$\frac{\tau}{1-x\sin^{2}x}+x$
$-3^2+5$
$-16x+x^2=-15$
$\int\left(a+x\right)^3\sqrt{x}dx$
$c\left(x\right)=\:\frac{1}{3}x^2+\frac{3}{2}x-1$
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