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Simplify the Expression xx2+10x+212x2+9x+14\frac { x } { x ^ { 2 } + 10 x + 21 } - \frac { 2 } { x ^ { 2 } + 9 x + 14 }

Question 20

Multiple Choice

Simplify the expression. xx2+10x+212x2+9x+14\frac { x } { x ^ { 2 } + 10 x + 21 } - \frac { 2 } { x ^ { 2 } + 9 x + 14 }


A) ?? x214(x+3) (x+2) \frac { x ^ { 2 } - 14 } { ( x + 3 ) ( x + 2 ) }

B) ?? x221(x+3) (x+7) (x+2) \frac { x ^ { 2 } - 21 } { ( x + 3 ) ( x + 7 ) ( x + 2 ) }

C) ?? x26(x+3) (x+7) (x+2) \frac { x ^ { 2 } - 6 } { ( x + 3 ) ( x + 7 ) ( x + 2 ) }

D) ?? x26(x+3) (x+2) \frac { x ^ { 2 } - 6 } { ( x + 3 ) ( x + 2 ) }

E) ?? x2(x+3) (x+2) \frac { x - 2 } { ( x + 3 ) ( x + 2 ) }

Correct Answer:

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