Question 178233
Problem :
We will fully simplify the expression. 
[4 /x^2] + [4 / (x^2+x)]
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Factor x^2+x = x(x+1)
Then the lcd = x^2(x+1)
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So when we simplify [4 /x^2] + [4 /(x^2+x)] 
The numerator is : 4(x+1)
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The denominator is: x^2(x+1) 
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Cheers,
Stan H.