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need a help please.

that's what i did:

(x^2+2x)^3+8x^3=0

x^6+6x^5+12x^4+8x^3=0

x^3(x^3+6x^2+12x+8)=0

x^3=0  ->   x=0

now what to  do with the brackets ?

 Jun 8, 2015

Best Answer 

 #2
avatar+118608 
+5

Please do not duble post like this Sabi92.

 

We do not hve time to answer the same post twice!

 

If you want to repost you are welcome to do so but please follow these instructions.

http://web2.0calc.com/questions/instructions-on-reposting_1

 Jun 8, 2015
 #2
avatar+118608 
+5
Best Answer

Please do not duble post like this Sabi92.

 

We do not hve time to answer the same post twice!

 

If you want to repost you are welcome to do so but please follow these instructions.

http://web2.0calc.com/questions/instructions-on-reposting_1

Melody Jun 8, 2015

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