document.write( "Question 1039621: Please factor completely and show a detailed solution. Thank you!\r
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document.write( "x^4 - 23x^2 + 49
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Algebra.Com's Answer #654391 by josgarithmetic(39630) ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "That method seems not useful.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Try Rational Roots Theorem and synthetic division to check roots -1, -7, 1, 7.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "No remainders found (synthetic divisions done on paper). \n" ); document.write( "The polynomial does not have rational roots. Binomial factors are not found. \n" ); document.write( "It does have four real but irrational roots. Back to the substitution for \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "- \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute back the \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |