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Multiply the Rational Expressions $\frac { 3 x - 21 } { x } \cdot \frac { x ^ { 2 } + 3 x } { 7 x - 49 }$

Question 48

Multiple Choice

Multiply the rational expressions. $\frac { 3 x - 21 } { x } \cdot \frac { x ^ { 2 } + 3 x } { 7 x - 49 }$

A) $\frac { 3 x ^ { 2 } + 9 x } { 7 x ^ { 2 } - 49 }$
B) $\frac { 3 x ^ { 2 } - 63 } { 7 x - 49 }$
C) $\frac { 3 ( x + 3 ) } { 7 }$
D) $\frac { 7 ( x - 7 ) } { x }$

Multiply the Rational Expressions 3x−21x⋅x2+3x7x−49\frac { 3 x - 21 } { x } \cdot \frac { x ^ { 2 } + 3 x } { 7 x - 49 }x3x−21​⋅7x−49x2+3x​

Multiple Choice

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Multiply the Rational Expressions $\frac { 3 x - 21 } { x } \cdot \frac { x ^ { 2 } + 3 x } { 7 x - 49 }$

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