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−3√ ​180 ​ ​​ +4√ ​45 ​ ​​

 
Guest Oct 10, 2017
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−3√ ​180 ​ ​​ + 4√ ​45 ​ ​​ =

 

-3 √ [ 4 * 45 ]  + 4 √45  =

 

-3 √4*√45 + 4√45  =

 

-3 *2 *√45 + 4√45 =

 

-6√45 + 4√45  =

 

-2√45  =

 

-2* √9 * √5  =

 

-2 * 3 * √5  =

 

-6√5

 

 

cool cool cool

 
CPhill  Oct 10, 2017

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