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Divide and simplify.

 

t^2+8t/t^2+3t-40 ÷ t/t+5

*No brakets*

Thanks!!!

 Nov 17, 2015

Best Answer 

 #1
avatar+26403 
+12

Divide and simplify.

t^2+8t/t^2+3t-40 ÷ t/t+5

*No brakets*

Thanks!!!

 

I assume ( t^2+8t ) / ( t^2+3t-40 ) ÷ t/ (t+5)  

 

\(\begin{array}{rcl} \dfrac{ \dfrac{( t^2+8t )} { ( t^2+3t-40 ) } } { \dfrac{ t} { (t+5) } } &=& \dfrac{ \dfrac{( t^2+8t )} { ( t+8)(t-5 ) } } { \dfrac{ t} { (t+5) } } \\\\ &=& \dfrac{( t^2+8t )} { ( t+8)(t-5 ) } \cdot \dfrac{ (t+5) }{ t} \\\\ &=& \dfrac{( t^2+8t )} { ( t+8)(t ) } \cdot \dfrac{ (t+5) }{ (t-5) } \\\\ &=& \dfrac{( t^2+8t )} { ( t^2+8t ) } \cdot \dfrac{ (t+5) }{ (t-5)} \\\\ &=& \dfrac{ (t+5) }{ (t-5)} \\\\ \end{array}\)

laugh

 Nov 17, 2015
edited by heureka  Nov 17, 2015
edited by heureka  Nov 17, 2015
 #1
avatar+26403 
+12
Best Answer

Divide and simplify.

t^2+8t/t^2+3t-40 ÷ t/t+5

*No brakets*

Thanks!!!

 

I assume ( t^2+8t ) / ( t^2+3t-40 ) ÷ t/ (t+5)  

 

\(\begin{array}{rcl} \dfrac{ \dfrac{( t^2+8t )} { ( t^2+3t-40 ) } } { \dfrac{ t} { (t+5) } } &=& \dfrac{ \dfrac{( t^2+8t )} { ( t+8)(t-5 ) } } { \dfrac{ t} { (t+5) } } \\\\ &=& \dfrac{( t^2+8t )} { ( t+8)(t-5 ) } \cdot \dfrac{ (t+5) }{ t} \\\\ &=& \dfrac{( t^2+8t )} { ( t+8)(t ) } \cdot \dfrac{ (t+5) }{ (t-5) } \\\\ &=& \dfrac{( t^2+8t )} { ( t^2+8t ) } \cdot \dfrac{ (t+5) }{ (t-5)} \\\\ &=& \dfrac{ (t+5) }{ (t-5)} \\\\ \end{array}\)

laugh

heureka Nov 17, 2015
edited by heureka  Nov 17, 2015
edited by heureka  Nov 17, 2015

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