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otez555 [7]
3 years ago
7

What is the difference? mc005-1.jpg

Mathematics
2 answers:
IRINA_888 [86]3 years ago
8 0
Im pretty sure its B
sp2606 [1]3 years ago
6 0
<h2>Answer</h2>

\frac{x^2+4x-1}{x(x+2)}

<h2>Explanation </h2>

Remember that to subtract fractions we need to find the common denominator first.

To find it, the first thing we need to do is factor the denominator of the second term:

\frac{x+5}{x+2} -\frac{x+1}{x^2+2x}

\frac{x+5}{x+2} -\frac{x+1}{x(x+2}

Since x+2 is a common factor in both denominators, the common denominator of both fractions is x(x+2)

Now, we can express both fraction with the common denominator and simplify:

\frac{x+5}{x+2} -\frac{x+1}{x(x+2}

\frac{x(x+5)-(x+1)}{x(x+2)}

\frac{x^2+5x-x-1}{x(x+2)}

\frac{x^2+4x-1}{x(x+2)}

We can conclude that the correct answer is the first choice.

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Vanyuwa [196]
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1/4 is less then 2/4 or 1/2so if the denominator is equal it will be easier to multiply
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