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OpenStudy (anonymous):
Simplify the radical: 4 square root 20
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jhonyy9 (jhonyy9):
any idea ?
jhonyy9 (jhonyy9):
so you know that 20=4*5
jhonyy9 (jhonyy9):
4=2^2
jhonyy9 (jhonyy9):
sqrt(5*2^2) =2sqrt5
jhonyy9 (jhonyy9):
ok ?
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jhonyy9 (jhonyy9):
so 4sqrt20 = 4*2sqrt5 = 8sqrt5 hope you understand it sure
jhonyy9 (jhonyy9):
thank you for your contribution,cooperation
OpenStudy (anonymous):
sorry, i was away :/
OpenStudy (anonymous):
I dont think thats the answer though O_o
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