$\int\frac{x+2}{2x^2-1}dx$
$\:y^6+2y^3+1$
$2+24+2324$
$\frac{20x^2+17x-24}{x^3-x}$
$\frac{8x^4-12x^5+6x^3}{4x^2}$
$\left(-1+3i\right)^4$
$\:\:\:\:\:\:\:\:\:\:\:9\:=\:16\:+\:b^2\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:$
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