$\int\frac{\left(2x+2\right)}{x^2+2x-8}dx$
$x^2+x+25$
$-17b+a-23b+24a-10$
$4z^2+4z-4$
$\left(w+4\right)\left(w-4\right)$
$2x+x+x$
$121z^2-88z+16$
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