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Division of Rational Expressions

 

Divide and simplify.

3x-15/121 ÷ x-5/33

 

Thank You :)

 Nov 17, 2015

Best Answer 

 #1
avatar+26403 
+10

Divide and simplify.

3x-15/121 ÷ x-5/33

 

\(\begin{array}{rcl} \dfrac{ \frac{3x-15}{121} }{ \frac{x-5}{33} } &=& \dfrac{ \frac{3(x-5)}{121} }{ \frac{x-5}{33} } \\\\ &=& \frac{3(x-5)}{121} \cdot \frac{33}{(x-5)} \\\\ &=& \frac{3\cdot 33}{121} \\\\ &=& \frac{99}{121} \\\\ &=& \frac{9}{11} \end{array}\)

 

laugh

 Nov 17, 2015
 #1
avatar+26403 
+10
Best Answer

Divide and simplify.

3x-15/121 ÷ x-5/33

 

\(\begin{array}{rcl} \dfrac{ \frac{3x-15}{121} }{ \frac{x-5}{33} } &=& \dfrac{ \frac{3(x-5)}{121} }{ \frac{x-5}{33} } \\\\ &=& \frac{3(x-5)}{121} \cdot \frac{33}{(x-5)} \\\\ &=& \frac{3\cdot 33}{121} \\\\ &=& \frac{99}{121} \\\\ &=& \frac{9}{11} \end{array}\)

 

laugh

heureka Nov 17, 2015

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