$\sqrt{2\sqrt{63}-\sqrt{175}}$
$y^2-40y+400=0$
$-6\left(2x-4\right)=5\left(3x-6\right)$
$\left(m^3+m^2n+m^1n^1+mn^2+n^3\right)$
$\frac{d}{dx}2\pi b^2c$
$0^4-5\cdot0^2+7\cdot0-20$
$8\left(x-3\right)-2\left(x+6\right)+4x$
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