document.write( "Question 364574: Please help me factor this polynomial\r
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document.write( "6x^8+17x^4+12 \n" );
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Algebra.Com's Answer #259988 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! 6x^8+17x^4+12 \n" ); document.write( "If I \n" ); document.write( "Let y = x^4 \n" ); document.write( "then \n" ); document.write( "y^2 = x^8 \n" ); document.write( ". \n" ); document.write( "We can rewrite our original equation: \n" ); document.write( "6x^8+17x^4+12 \n" ); document.write( "as \n" ); document.write( "6y^2+17y+12 (which is more familiar) \n" ); document.write( ". \n" ); document.write( "This can be factored as: \n" ); document.write( "6y^2+17y+12 \n" ); document.write( "Rewrite the middle term: \n" ); document.write( "6y^2+8y+9y+12 \n" ); document.write( "Group terms: \n" ); document.write( "(6y^2+8y)+(9y+12) \n" ); document.write( "Factor: \n" ); document.write( "2y(3y+4) + 3(3y+4) \n" ); document.write( "(3y+4)(2y+3) \n" ); document.write( ". \n" ); document.write( "Put the above back into terms of x: \n" ); document.write( "since y = x^4 we have: \n" ); document.write( "(3x^4+4)(2x^4+3)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |