SOLUTION: Please help find the solution to the equation, correct to two decimal places Log base 2 (x+2) + log base 2 (x-1) = 2

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Question 439815: Please help find the solution to the equation, correct to two decimal places
Log base 2 (x+2) + log base 2 (x-1) = 2
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi





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

   x^2+x-2= 4

   x^2 + x -6 = 0

factoring

 (x+3)(x-2) = 0

 (x+3)= 0

  x = -3   Extraneous Solution |results in 

  x = 2



   Familiarize yourself with the Properties of Logarithms