radical issue - not correct between quotes An example for...

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I think either I am confused or perhaps there is an issue with the example. √27 + √54 This cannot be added right away, it is necessary to first simplify both radicals: √27 = 3√3 This part is correct √27 = 3√3 or √27 = √3(9) correct √54 = 6√3 This part has an issue √54 = √6(9) or 3√6 ==> that is only 3√6 3√3 + 6√3 = 9√3 “So this part would be 3√3 +3√6 and cannot be added this way”.
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Unformatted text preview: not correct between quotes An example for the class: 63 + 117 I think this too may have a similar issue 63 = (9)7 or 37 correct 117 = (9)13 or 313 These too are not like terms and cannot be added this way. correct Am I confused? you are not confused so the answer for this one should be 37 + 313 =3(7+13 ) price 1$...
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This note was uploaded on 08/29/2010 for the course ENGINEERIN 305 taught by Professor Martincandell during the Spring '10 term at Rio Hondo College.

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