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Having trouble simplify this....

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Director
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Having trouble simplify this.... [#permalink] New post 16 Jun 2008, 18:57
Can anyone help? It is from the challenges..

[-4(8^3) + (8^3)]/8*4*3 =

[-3(8^3)]/8*4*3 = -16

I do not see how we got the -3?? How did we simplify to that?
Manager
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Re: Having trouble simplify this.... [#permalink] New post 16 Jun 2008, 19:04
Take the 8^3 out like shown below.

8^3[-4+1] = 8^3 (-3)
Director
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Re: Having trouble simplify this.... [#permalink] New post 16 Jun 2008, 19:06
Thanks I was having trouble seeing this.
Re: Having trouble simplify this....   [#permalink] 16 Jun 2008, 19:06
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Having trouble simplify this....

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