document.write( "Question 108322: Please help me find all real soultions for this equation.
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document.write( "{{2y^2=15+y}}}\r
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document.write( "The teacher said there are two answers which are 3 and -5/2. I can not get to either of these answers.\r
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document.write( "Thank you \n" );
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Algebra.Com's Answer #78955 by stanbon(75887) ![]() You can put this solution on YOUR website! find all real soultions for this equation. \n" ); document.write( "2y^2=15+y \n" ); document.write( "------ \n" ); document.write( "2y^2-y-15=0 \n" ); document.write( "Using the AC Method of factoring: \n" ); document.write( "2y^2-6y+5y-15=0 \n" ); document.write( "2y(y-3)+5(y-3)=0 \n" ); document.write( "(y-3)(2y+5)=0 \n" ); document.write( "y-3=0 or 2y+5=0 \n" ); document.write( "y=3 or y=-5/2 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |