$\left(3b\right)^2+2\left(3b\right)\left(7\right)+\left(7\right)^2$
$216r^3+64v^3$
$m^2+22m+121$
$\left(3x^2y^{-2}\right)^{-2}$
$7x-7\le7\left(x-1\right)$
$-a^3-25a^2+24a^3-12a+9$
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