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OpenStudy (anonymous):
Subtracting a radical? Please help me!!!!! (7- √54) - (5 + √24)
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OpenStudy (anonymous):
\[\sqrt{54}=\sqrt{9*6}\] \[\sqrt{24}=\sqrt{4*6}\]
OpenStudy (anonymous):
use that to simplify... then combine like terms
OpenStudy (anonymous):
2 - √30?
OpenStudy (anonymous):
why sqrt30 ?
OpenStudy (anonymous):
9 is 3^2 so sqrt(9*6) = 3*sqrt(6)
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OpenStudy (anonymous):
2 - 5 sqrt 6?
OpenStudy (anonymous):
yes
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