Related Post: 3x 2 15x 12 3x 2 15x 12 0 3x 2 15x 12 0 Solve By Factoring 3x 2 15x 12 In Factored Form 3x 2 15 12 3x Squared-15x+12 3x 2 12x 15 3x 2 12x 15 0 3x 2 12x 15 0 Completing The Square 3x 2 12x 15 Factor