Cheat Sheet on Manipulating Algebraic Expressions : GMAT Quantitative Section
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# Cheat Sheet on Manipulating Algebraic Expressions

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Cheat Sheet on Manipulating Algebraic Expressions [#permalink]

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26 Jul 2013, 13:40
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Most GMAT questions involve the manipulation of algebraic expressions.

I attached a document in which I summarized most algebraic tricks that the GMAT could throw at you.

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Manipulating Algebraic Expressions.pdf [2.66 MiB]

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Re: Cheat Sheet on Manipulating Algebraic Expressions [#permalink]

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02 Sep 2014, 23:53
Summary looks great but there is at least an error, in Special Case, second row. I haven't checked the rest
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Re: Cheat Sheet on Manipulating Algebraic Expressions [#permalink]

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25 Feb 2016, 22:33
Correction on this sheet, for the special case (post above mentions it)

answer should look like this (below) --

7^3+7^2= 7(7^2+7) --> 7(49+7) --> 7(56) = 392

OR

7^3+7^2= 7^2(7+1) --> 7^2(8) --> 49(8) = 392
Re: Cheat Sheet on Manipulating Algebraic Expressions   [#permalink] 25 Feb 2016, 22:33
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