$7x\left\{5\right\}+5x\left\{4\right\}+x\left\{3\right\}$
$\left(12x+9b^3\right)\left(12x-9b^3\right)$
$4x^2-5x+1\ge10x-2x^2-5$
$x^2-10x+90$
$\sqrt[3]{108x^3y^3}$
$e^{5\left(x+3\right)}$
$w^2+2w+4w+2$
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