$\left(3w+6\right)^3$
$3ax^2\:+\:2bx^2\:abx^2$
$\frac{x-9}{x+3}\ge-1$
$2+3.5g=5+3.25g$
$892,03+929,054+402,395$
$\left(+99\right)-\left(-99\right)$
$-30b^2+20bc-50b+75bc-50c^2+125c-30b+20c-50$
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