document.write( "Question 700700: (x^3)-(7x^2)+15x-9 \n" ); document.write( "
Algebra.Com's Answer #432029 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Find zeros of following function: \n" ); document.write( "f(x)=(x^3)-(7x^2)+15x-9 \n" ); document.write( "use rational roots theorem:\r \n" ); document.write( "\n" ); document.write( "....0...|......1.....-7........15......-9....... \n" ); document.write( "....1...|......1.....-6........9.........0 (1 is a root) \n" ); document.write( "f(x)=(x-1)(x^2-6x+9) \n" ); document.write( "f(x)=(x-1)(x-3)^2 \n" ); document.write( "zeros are: 1 and 3(mult. 2) \n" ); document.write( " |