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5 November, 00:31

Simplify the radical expression

20

+



288

-

8

+4
Answers (1)
  1. 5 November, 00:38
    0
    20+√288-8 = 12 + 12√2

    Step-by-step explanation:

    288 = 2⁵*3² → 288 = 2*4²*3² = 12²*2

    then

    √288 = 12√2

    then

    20+√288-8 = (20-8) + 12√2 = 12 + 12√2
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