what are potential roots of p(x) = x4 + 22x2 – 16x – 12

Simplify 22\times 222×2 to 4444
{x}^{4}+44-16x-12x​4​​+44−16x−12Collect like terms
{x}^{4}+(44-12)-16xx​4​​+(44−12)−16x Simplify{x}^{4}+32-16xx​4​​+32−16x