$\frac{1}{1-\sqrt{3}}+\frac{1}{1+\sqrt{3}}$
$\sin\left(\frac{7}{3}\right)x=0$
$y'+2y=8$
$7\cos\left(2x\right)=5$
$0.5r+2.75r$
$18a^2b^2+48abcd+32c^2d^2$
$p\left(x-z\right)-\left(x-z\right)$
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