$x^2+5>0$
$\left(\frac{20}{10}\right)^3-2\left(\frac{20}{10}\right)^2+2$
$8x+8y+ax+ay$
$\left(5i\:-\:3j\right)\:\left(7i\:+\:2j\right)$
$\sin\left(\arctan\left(\frac{x}{h}\right)\right)$
$2x+5y=2$
$\frac{x^{3\:}-12x+16}{x-2}$
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