SOLUTION: Please solve lg(2x^2-5x+3)<=0,25lg81 + lg1/3

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Please solve lg(2x^2-5x+3)<=0,25lg81 + lg1/3      Log On


   

Question 925320: Please solve lg(2x^2-5x+3)<=0,25lg81 + lg1/3
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
lg(2x^2-5x+3)<=(1/4)lg81 + lg1/3
lg(2x^2-5x+3)<=lg 3 + lg 1/3
lg(2x^2-5x+3)<= lg 3(1/3)
lg(2x^2-5x+3)<= lg 1
lg(2x^2-5x+3)<= lg 1
2x^2 - 5x + 3 ≤ 1
2x^2 - 5x + 2 ≤ 0
........
(2x -1)(x - 2) ≤ 0
1/2 ≤ x ≤ 2
0r
[.5, 2]