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5 votes
Simplify the radical 72

2 Answers

2 votes
72=8*9
8=2*2*2 or 2^3
9=3*3 or 3^2
sqrt72=2*3sqrt2=6sqrt2

answered
User Vrakfall
by
8.1k points
5 votes

√(72) = √(6*6*2) =6 √(2)
answered
User ZAhmed
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8.3k points

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