document.write( "Question 725391:  Please Simplify and give Restrictions.\r
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document.write( "x^2 - y^2 / x^2 + 3xy + 2y^2\r
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document.write( "Thank you for your help! :) \n" );
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| Algebra.Com's Answer #444590 by Theo(13342)     You can put this solution on YOUR website! this factors to:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x-y)(x+y) divided by (x+2y)(x+y)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the (x+y) in the numerator and denominator cancel out and you are left with:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x-y) divided by (x + 2y)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "that's the simplified expression.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the restrictions come from the original equation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the original equation is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x^2 - y^2) divided by (x^2 + 3xy + 2y^2) which factored out to be:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x - y) * (x + y) divided by (x + y) * (x + 2y)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since the denominator can't be equal to 0, then the following restrictions apply.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x cannot be equal to -y, otherwise (x + y) will be equal to 0.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x cannot be equal to -2y, otherwise (x + 2y) will be equal to 0.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |