$9u^2+24uv+16v^2$
$-3\left(-1\right)\left(-2\right)$
$\left(-7b+8\right)\left(7b+8\right)$
$9y^2-18y+81$
$\int_4^6\:\sqrt{x^2-10}dx$
$14u-44$
$2h^2-5h=-1$
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