X 4 11x 2 28 July 8, 2019 16 32 64 128 X 4 11x 2 28 0 X^4 - 11x^2 + 28 factored Simplify x 2 11x 28 x 4 X 2 11x 28 x 2 5x 4 X 2 11x 28 divided by x 4