X 4 4x 3 9x 2 36x July 8, 2019 16 32 64 128 X 4 4x 3 9x 2 36x 0 Factor x 4 4x 3 9x 2 36x F x )= x 4 4x 3 9x 2 36x Zeros for f x )= x 4 4x 3 9x 2 36x 3 x 3 = 9 X ^ 3 - 4x ^ 2 - 9x + 36 X ^ 3 + 4x ^ 2 - 9x - 36 = 0