Related Post: 3x 2 81 X 2 3x 2 81 X 2 Solve By Factoring 20 81 X 2 3 Hcf Of 3x 2 81 And 2 X 3 9 2x 1 81 X 2 3 X 2 3 X 3 2 X 81 16 Lim X-3 X4-81/2x2-5x-3 3^2x = 81 2 3x 2 Simplify (2x-3)^2=81