Question 1122798
x, x+2, and x+4
x^2+x^2+4x+4+4=2(x^2+8x+16)
2x^2+4x+8=2x^2+16x+32
-24=12x
x=-2
-2, 0, 2
sum of squares of first two is 4, and that is 4 less than twice the square of the third, which would be 8.