(2x2+2x−1)(2x2−2x+1)\left(2 x^{2}+2 x-1\right)\left(2 x^{2}-2 x+1\right) (2x2+2x−1)(2x2−2x+1)
(2x2+2x+1)(2x2−2x+1)\left(2 x^{2}+2 x+1\right)\left(2 x^{2}-2 x+1\right) (2x2+2x+1)(2x2−2x+1)
(2x2+2x−1)(2x2−2x−1)\left(2 x^{2}+2 x-1\right)\left(2 x^{2}-2 x-1\right) (2x2+2x−1)(2x2−2x−1)
(2x2+2x+1)(2x2−2x−1)\left(2 x^{2}+2 x+1\right)\left(2 x^{2}-2 x-1\right)(2x2+2x+1)(2x2−2x−1)