$2\sqrt[4]{x}+5=7$
$a^2+a-2>\frac{1}{2}$
$3+4^2$
$5x^2-x-9-2x^2+10x-15$
$\frac{d}{dx}x+cos^{-1}y=xy$
$-7-83+42+31-9-3$
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