document.write( "Question 18460: x^2-6x-7>0\r
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Algebra.Com's Answer #8875 by khwang(438)![]() ![]() ![]() You can put this solution on YOUR website! From \n" ); document.write( " (x+1)(x-7)>0\r \n" ); document.write( "\n" ); document.write( " two roots of (x+1)(x-7) =0 \n" ); document.write( " are 7 and -1.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " Use your eyes,you can directly see the solution set is (7,+oo) U (-oo,-1). \n" ); document.write( " (union of two open intervals) \n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( " This kind of simple question is not for me. \r \n" ); document.write( "\n" ); document.write( " Since another answer is incomplete(wrong), I just show you the \n" ); document.write( " right answer.\r \n" ); document.write( "\n" ); document.write( " Kenny\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |