document.write( "Question 64288: f(x)=(x+1)^3(2x+3)(2-x)^2
\n" ); document.write( "determine the degree of f(x)
\n" ); document.write( "what are the zeros of f(x)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "help help
\n" ); document.write( "

Algebra.Com's Answer #44926 by chitra(359)\"\" \"About 
You can put this solution on YOUR website!
The given expression is: \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "f(x) = \"%28x%2B1%29%5E3+%282x+%2B+3%29%282+-+x%29%5E2\" \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "This can be written as:\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "f(x) = (x+1)(x+1)(x+1)(2x+3)(2-x)(2-x) --------------(EQN 2) \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So, on multiplying the given expression it can be writtne as: \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28x%5E3+%2B+3x%5E2+%2B+3x+%2B+1%29%282x+%2B+3%29%28x%5E2+-+4x+%2B+4%29\" \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "This can be simplified and reduced and written as: \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%282x%5E6+%2B+x%5E5+-+13x%5E4+-+13x%5E3+%2B+19x%5E2+%2B+32x+%2B+12%29\" \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Hence, the highest power of x gives us the degree of the polynomial. \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The degree of f(x) = 6 \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Now, the zeros of this one is obtained by: \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Equating (2) to zero.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Thus, we find that the zeros of the polynomial are: \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x = -1, -1, -1, -2/3, 2, 2\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Hence, the solution.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Regards... \r
\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" );