1+x+x2=0 Roots ⇒ω and ω2, where ω+ω2=−1 and ω⋅ω2=1 If α and β are the roots ‌α=ω‌ and ‌β=ω2 ‌α10=ω10=ω9⋅ω=ω ‌α20=ω20=ω18⋅ω2=ω2 ‌(2−α)(2−β)(2−α10)(2−α20) ‌(2−ω)(2−ω2)(2−ω)(2−ω2) ‌[4−(ω+ω2)⋅2+ω3]2 ‌(4+2+1)2=49