$$P(1)=14y2+13y+12y-y-4$$
$24y+14y_{2}-4$
$$14y_{2}+25y-y-4$$
$$14y_{2}+24y-4$$
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$2\left(12y+7y_{2}-2\right)$
$$24y+14y_{2}-4$$
$$2\left(12y+7y_{2}-2\right)$$
