SOLUTION: please help me find the lcd of these two rational expretions x^5/x^2+6x+9,5/x^2+5x+6

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Question 562011: please help me find the lcd of these two rational expretions
x^5/x^2+6x+9,5/x^2+5x+6

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
%28x%5E5%29%2F%28x%5E2%2B6x%2B9%29, 5%2F%28x%5E2%2B5x%2B6%29
Factor both of them and see what we have:
%28x%5E5%29%2F%28%28x%2B3%29%28x%2B3%29%29, 5%2F%28%28x%2B3%29%28x%2B2%29%29
The LCD
(x+3)(x+3)(x+2) = (x^2+6x+9)*(x+2) = x^3 + 8x^2 + 21x + 18