Posted by **Algebra 2** on Thursday, May 28, 2009 at 2:45pm.

I have a question...

I have no idea how to turn this into SRform

2187^(1/3) - 2(24)^(1/3)

I saw I could do this

2187^(1/3) - 2(4*6)^(1/3)

2187^(1/3) - 4(6)^(1/3)

then I do this

2187^(1/3)/ (6)^(1/3)

and I don't get a whole number so I can conclude that...

I can never get a whole number(6)^(1/3) = 2187^(1/3) which I need to do becasue 2(24)^(1/3) SRform is 4(6)^(1/3) and I can not get a whole number(6)^(1/3) for the SRform of 2187^(1/3) so what do I do?

I really don't understand the point of SRform either

please show me how to do this problem step by step and the reasoning

thanks

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