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jobeto12
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(a^3 + b^3 + c^3) 07 Jul 2013, 23:46
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Is there any shortcut on how to quickly simplify this expression (a^3 + b^3 + c^3) into this form (a+b+c)(a^2+b^2+c^2-ab--bc-ac)+3abc

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(a^3 + b^3 + c^3) 07 Jul 2013, 23:56
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Is there any shortcut on how to quickly simplify this expression (a^3 + b^3 + c^3) into this form (a+b+c)(a^2+b^2+c^2-ab--bc-ac)+3abc
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Easier to memorize that \(a^2+b^3+c^3=(a+b+c)(a^2+b^2+c^2-ab-bc-ac)+3abc\).
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(a^3 + b^3 + c^3) 09 Jul 2013, 00:47
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Factorization of expressions involving cubic terms is outside the scope of GMAT quantitative. I have not seen a single official question that requires such factorization and I am pretty certain that these types of problems would not be tested on the GMAT.

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(a^3 + b^3 + c^3) 28 Jan 2018, 23:58
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Automated notice from GMAT Club BumpBot:

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