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how to simplify

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Simplify the following: 1. [(3.2^ x+1) – (4.2^ x-1)] / [2^ x-3] 2. (4^-2) + (5/4) ÷ (4/2) 3. [2√27−√108+√75] / [3√12 ]
asked Oct 2, 2014 in ALGEBRA 2 by anonymous

3 Answers

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(1). The expression is [(3.2^ x+1) – (4.2^ x-1)] / [2^ x-3].

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answered Oct 2, 2014 by casacop Expert
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(2). The expression is (4^-2) + (5/4) ÷ (4/2).

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answered Oct 2, 2014 by casacop Expert
reshown Oct 2, 2014 by bradely
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(3). The expression is [2√27−√108+√75] / [3√12 ].

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answered Oct 2, 2014 by casacop Expert

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