Perform the indicated operations where $b > 0$. $\sqrt{18b} - \sqrt{8b} + \sqrt{162b}$
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\sqrt(18b) = \sqrt(9*2b) = 3\sqrt(2b) \sqrt(8b) = \sqrt(4*2b) = 2\sqrt(2b) \sqrt(162b) = \sqrt(81*2b) = 9\sqrt(2b) Show more…
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