SOLUTION: Solve, for x, the equation log base 2 (5x^2-x-2) = 2+2 log base 2 of x Thanks so much!

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Solve, for x, the equation log base 2 (5x^2-x-2) = 2+2 log base 2 of x Thanks so much!      Log On


   

Question 112246: Solve, for x, the equation log base 2 (5x^2-x-2) = 2+2 log base 2 of x
Thanks so much!
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
using rules of logarithms; 5x^2-x-2=4x^2

x^2-x-2=0 ___ (x+1)(x-2)=0

remember, logarithms are NOT defined for negative numbers