$\left(8x^{\frac{9}{4}}-36x^{\frac{5}{4}}+54x^{\frac{1}{4}}+27\right)\left(x^{\frac{3}{4}}\right)$
$\int_{-2}^{-1}\left(\frac{xe^x+1}{x}\right)dx$
$2x^2-2x-12=0$
$\frac{\sqrt{x-6}\sqrt{x+6}}{x^{2}-36^{2}}$
$\:\left(a+\frac{b}{2}\right)^2$
$7x=-14$
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