document.write( "Question 286276: Find all the zeros of the function:
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document.write( "p(x)=X^3-2x^2+9x-18 \n" );
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Algebra.Com's Answer #207591 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find all the zeros of the function: \n" ); document.write( "p(x)=X^3-2x^2+9x-18 \n" ); document.write( "--- \n" ); document.write( "I graphed it and found it has a zero at x = 2 \n" ); document.write( "--- \n" ); document.write( "Use synthetic division to find the quotient: \n" ); document.write( "2)...1....-2....9....-18 \n" ); document.write( ".....1.....0....9....|..0\r \n" ); document.write( "\n" ); document.write( "------------------ \n" ); document.write( "Quotient: x^2 +9 \n" ); document.write( "----- \n" ); document.write( "Factor the quotient: \n" ); document.write( "(x+3i)(x-3i) = 0 \n" ); document.write( "--- \n" ); document.write( "Zeroes: 2 or -3i or +3i \n" ); document.write( "============================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============================ \n" ); document.write( " |