I know 240 simplified is 4√15 but I don't know where to go from there.
240 = 16*15 = 4² * 15
if you take square root, 4 can be taken out of the root.
15√(240) = 60√(15)
15â240
15â(2*120)
15*â(2*2*60)
15*â(2*2*2*30)
15*â(2*2*2*2*15)
15*â(2*2)*â(2*2)*â(15)
15*â(4)*â(4)*â(15)
15*2*2*â(15)
60*â(15)
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Verified answer
240 = 16*15 = 4² * 15
if you take square root, 4 can be taken out of the root.
15√(240) = 60√(15)
15â240
15â(2*120)
15*â(2*2*60)
15*â(2*2*2*30)
15*â(2*2*2*2*15)
15*â(2*2)*â(2*2)*â(15)
15*â(4)*â(4)*â(15)
15*2*2*â(15)
60*â(15)