$n^2-3n-28=0$
$\sqrt{4.04}$
$\left(8a^2-5b\right)^3$
$\sqrt{\left(-3\right)^2+\left(-4\right)^2}$
$g\left(x\right)=\sqrt{x^2-2x-8}$
$x^2+34+289$
$\left(4+5x\right)\left(-6+5x\right)$
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