SOLUTION: Add or subtract as indicated. Express your result in simplest form 3/ x^2 + 4x +3 – 1/ x^2 – 9

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Add or subtract as indicated. Express your result in simplest form 3/ x^2 + 4x +3 – 1/ x^2 – 9       Log On


   

Question 75959: Add or subtract as indicated. Express your result in simplest form
3/ x^2 + 4x +3 – 1/ x^2 – 9
Answer by funmath(2933) About Me  (Show Source):
You can put this solution on YOUR website!
Add or subtract as indicated. Express your result in simplest form
3/ x^2 + 4x +3 – 1/ x^2 – 9
3%2F%28x%5E2%2B4x%2B3%29-1%2F%28x%5E2-9%29
3%2F%28%28x%2B1%29%28x%2B3%29%29-1%2F%28%28x%2B3%29%28x-3%29%29
The LCD is (x+1)(x+3)(x-3) whatever you multiply the bottom by you have to multiply the top by.

%283%28x-3%29-1%28x%2B1%29%29%2F%28%28x%2B1%29%28x%2B3%29%28x-3%29%29
%283x-9-x-1%29%2F%28%28x%2B1%29%28x%2B3%29%28x-3%29%29
highlight%28%282x-10%29%2F%28%28x%2B1%29%28x%2B3%29%28x-3%29%29%29
or highlight%282%28x-5%29%2F%28%28x%2B1%29%28x%2B3%29%28x-3%29%29%29
Happy Calculating!!!