document.write( "Question 178175: Simplify (√y+3)(√y-5) \n" ); document.write( "
Algebra.Com's Answer #133134 by stanbon(75887)\"\" \"About 
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Simplify (√y + 3)(√y - 5)
\n" ); document.write( "Use FOIL:
\n" ); document.write( "F: sqrt(y)*sqrt(y) = y
\n" ); document.write( "O: -5*sqrt(y) = -5sqrt(y)
\n" ); document.write( "I: +3*sqrt(y) = 3sqrt(y)
\n" ); document.write( "L: (3)*(-5) = -15
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\n" ); document.write( "Combine the results:\r
\n" ); document.write( "\n" ); document.write( "= y - 2sqrt(y) - 15
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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