Related Post: 4x 2 36x 81 4x 2 36x − 77 4x 2 36x − 73 4x 2 36x 4x 2 36x 0 4x 2 36x 81 0 4x 2 36x 80 4x 2 36x 72 4x 2 36x =- 85 4x 2 36x 32