Related Post: 2 3 4 X 18 2 3 4 18 5x 3 2 For X =- 18 2 X 3 )+ 4x 18 18. ((x^(2)+1)(x^(2)+2x^(2)+3)(x^(2)+4)) 2 X 7 )- 3 2x 4 )=- 18 2 X 3 )+ 18 4 10x 9 )= 72 3 2x 2 )- 4 X 5 )= 18 X 2 4 2x 3 3 X 18 6 2x 4 X 3 19x 2 18x 5 2x 5