SOLUTION: I need help with this question. Please help me. Add: 5/x+4 + 40/x^2-16

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Question 312203: I need help with this question. Please help me.

Add:
5/x+4 + 40/x^2-16
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
5/(x+4)+40/(x^2-16)
5/(x+4)+40/(x+4)(x-4) Find the LCD.
[5(x-4)+40]/(x+4)(x-4)
[5x-20+40]/(x+4)(x-4)
(5x+20)/(x+4)(x-4)
5(x+4)/(x+4)(x-4) Cancel out the (x+4) terms.
5/(x-4) ans.