$z^2+13z+22$
$f\left(1\right)=\left(1-2\left(1\right)\right)^8$
$x^2+11x+9$
$\frac{x^5+x^2-3}{x^2-x+1}$
$\left(2p-3q+4r\right)^2$
$2x+5=x+2$
$6x^2+7x-648=0$
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