X 2 7x 15 0 July 8, 2019 16 32 64 128 X 3 7x 2 7x 15 0 X2 x 1 x2 7x 15 = 0 X 2 x 1 x 2 7x 15 0 X 3 7x 2 17x 15 0 Solve for x 15x2 - 7x - 36 = 0
