SOLUTION: what is the difference x+2/(x^2+4x-5) - 3/ (x^2+6x+5) state any restrictions on the variable. please show the work.

Algebra ->  Rational-functions -> SOLUTION: what is the difference x+2/(x^2+4x-5) - 3/ (x^2+6x+5) state any restrictions on the variable. please show the work.      Log On


   



Question 962176: what is the difference x+2/(x^2+4x-5) - 3/ (x^2+6x+5)
state any restrictions on the variable.
please show the work.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You need a common denominator.
x%5E2%2B4x-5=%28x%2B5%29%28x-1%29
x%5E2%2B6x%2B5=%28x%2B5%29%28x%2B1%29
So a common denominator would be %28x-1%29%28x%2B1%29%28x%2B5%29



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Restrictions occur when the denominator equals zero so,
x%3C%3E-5
x%3C%3E-1
x%3C%3E1