$x^2+9x+1=0$
$\frac{16x^2-4}{4x+2}$
$m^4+5m^2+9\:$
$-\frac{34}{17}$
$x2+14x-33$
$3m^2n^4\cdot11mnp^2$
$\sec\left(x\right)\sin\left(x\right)=\sin^2\left(x\right)$
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