Related Post: 2 4 9x =- 12 4 2 9 X 12 7 8 9x 2 4 12x 4 9 X 2 12 3x 4 )( 9x 2 12x 16 9x 4 121y 2 9x^4-121y^2 Factored 9x 4 X 2 12x 36 X 4 9x 2 4x 12 12x 4 9x 2 0