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10-05-2016
Mathematics

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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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meerkat18 meerkat18

18-05-2016

√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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