document.write( "Question 510909: i need help subtracting square roots \"i+need+help+subtracting+square+roots+\" 3 sqrt ( 108 ) - 2 sqrt ( 18 ) - 3 sqrt ( 4 ) \n" ); document.write( "
Algebra.Com's Answer #341923 by stanbon(75887)\"\" \"About 
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3 sqrt ( 108 ) - 2 sqrt ( 18 ) - 3 sqrt ( 4 )
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\n" ); document.write( "3*sqrt(36*3) - 2*sqrt(9*2) - 3*sqrt(4)
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\n" ); document.write( "= 3*6*sqrt(3) - 2*3*sqrt(2) - 3*2
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\n" ); document.write( "= 18*sqrt(3) - 6*sqrt(2) - 9
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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