What is the difference A B C D. Created by bm42400. mathematics-us

Answer:D. Step-by-step explanation:The given expression is;This is the same as;The denominators are the same. Subtract the numerators and write one denominator;Rewrite to get;

What is the difference A B C D

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What is the difference
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D

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Answer:
D. $\frac{x-1}{x^2+3x+2}}$
Step-by-step explanation:
The given expression is;
$\frac{x}{x^2+3x+2}-\frac{1}{(x+2)(x+1)}$
This is the same as;
$\frac{x}{(x+2)(x+1)}-\frac{1}{(x+2)(x+1)}$
The denominators are the same.
Subtract the numerators and write one denominator;
$\frac{x-1}{(x+2)(x+1)}}$
Rewrite to get;
$\frac{x-1}{x^2+3x+2}}$
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