X 2 90x 0 July 8, 2019 16 32 64 128 X 2 90x 1800 0 X 2 90x 5200 0 X 2 90x 2000 0 X 2 90x 1200 0 X 3 − x 2 − 90x 0 2 x 90 X ^ 2 - x - 90 = 0
