X 2 7x 49 0 July 8, 2019 16 32 64 128 X 2 7x 49 4 0 X 2 7x 49 0 then x 3 X 3 − 7x 2 − 7x 49 0 (x + 7)/(x ^ 2 - 49) = 0 1) (x - 7) ^ 2 - 49 = 0
