$x+5>2x-15$
$\left(x+h\right)^3$
$u^2+26u$
$2a^2+3b-8-7a^2-8b-5+10b-4$
$cos\left(\frac{x}{2}\right)=\frac{1}{\sqrt{1+t^2}}$
$\left(2-2x\right)^7$
$a\left(\frac{1}{4}x-2y\right)^2$
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