document.write( "Question 187002: please solve by factoring.
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\n" ); document.write( "y^2-4y=45
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Algebra.Com's Answer #140158 by user_dude2008(1862)\"\" \"About 
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y^2-4y=45\r
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\n" ); document.write( "\n" ); document.write( "y^2-4y-45=0\r
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\n" ); document.write( "\n" ); document.write( "(y-9)(y+5)=0\r
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\n" ); document.write( "\n" ); document.write( "y-9=0 or y+5=0\r
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\n" ); document.write( "\n" ); document.write( "Ans: y=9 or y=-5
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