Simplify: 4(x2−1)+2(x2+1)4(x^2 - 1) + 2(x^2 + 1)4(x2−1)+2(x2+1).
6x2−26x^2 - 26x2−2
6x2+26x^2 + 26x2+2
2x2−22x^2 - 22x2−2
6x2−66x^2 - 66x2−6