SOLUTION: i dont know how to simplify rational expressions. it just doesnt make sense to me the way my book showes it. 2x^2 - x -3 / 4x^2 - 9 it asks to simplify but my book doesnt gi

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: i dont know how to simplify rational expressions. it just doesnt make sense to me the way my book showes it. 2x^2 - x -3 / 4x^2 - 9 it asks to simplify but my book doesnt gi      Log On


   



Question 304409: i dont know how to simplify rational expressions. it just doesnt make sense to me the way my book showes it.
2x^2 - x -3 / 4x^2 - 9
it asks to simplify but my book doesnt give an example for a problem like this.

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
2x^2 - x -3 / 4x^2 - 9
2x^2-3x+2x-3 / (2x+3)(2x-3)
x(2x-3)+1(2x-3)/ (2x+3)(2x-3)
(x+1)(2x-3) / (2x+3)(2x-3)
(x+1)/(2x+3)