badatmath3 badatmath3

28-01-2017
Mathematics

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simplify 4 square root of 24 - 4 square root of 8 + square root of 98
Plz hurry

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wolffiegirl wolffiegirl

28-01-2017

(4√4 * 6) - (4√2 * 4) + (√2 * 49) [ * means multiplying]

4 and 49 are square roots so you take it out the square root.

4(2)√6 - 4(2)√2 + 7√2

Add common roots -4(2)√2 + 7√2 = -√2

The answer -√2 + 8√6

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