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Simplifying Expressions

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Ok... i need help with some questions on my math test.

It has me simplify these expressions:

Simplify the Expression: Square Root symbol over 88.

Simplify the Expression: Square Root symbol over 30.

In my math book it describes simplifying these kind of expressions as finding the perfect square. (Like 36 x 5 = 6SQRS5) (SQRS = SQuare Root Symbol)
 Apr 11, 2012

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 #1
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I did these problems on paper, and the answers i came up with were:

SQRS 88 = 8SQRS11

SQRS 30 = 3SQRS10

Are these correct?
 Apr 11, 2012
 #2
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MathSucks:

Simplify the Expression: Square Root symbol over 88.



sqrt( a*b ) =sqrt(a)*sqrt(b)


sqrt(88)=sqrt(4)*sqrt(22)=2*sqrt(22)
[input]factorize(88)[/input]



sqrt(30)=sqrt(30)
[input]factorize(30)[/input]
 Apr 11, 2012

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