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4 September, 21:33

What is the exact value of the expression the square root of 294. - the square root of 24. + the square root 54.? Simplify if possible.

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  1. 4 September, 21:41
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    √294 - √24 + √54

    √294 ⇒ √49 * 6 ⇒ 7 √6

    √24 ⇒ √4 * 6 ⇒ 2 √6

    √54 ⇒ √9 * 6 ⇒ 3 √6

    7√6 - 2√6 + 3√6 ⇒ (7-2+3) √6 ⇒ 8√6
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