document.write( "Question 524522: how do you find a polynomial of degree 4 with -2 as a zero of multiplicity 2 and 0 and 3 as zeros of multiplicity 1 \n" ); document.write( "
Algebra.Com's Answer #347776 by Edwin McCravy(20059)![]() ![]() You can put this solution on YOUR website! how do you find a polynomial of degree 4 with -2 as a zero \n" ); document.write( "of multiplicity 2 and 0 and 3 as zeros of multiplicity 1. \n" ); document.write( " \r\n" ); document.write( "Make a row of equations with x = each of the zeros, \r\n" ); document.write( "as many times as their multiplicities:\r\n" ); document.write( "\r\n" ); document.write( " x = -2, x = -2, x = 0, x = 3\r\n" ); document.write( "\r\n" ); document.write( "Get 0 on the right of each equation:\r\n" ); document.write( "\r\n" ); document.write( " x + 2 = 0 x + 2 = 0 x = 0, x - 3 = 0 \r\n" ); document.write( "\r\n" ); document.write( "Write the product of all the left sides:\r\n" ); document.write( "\r\n" ); document.write( " (x + 2)(x + 2)(x)(x - 3) = 0\r\n" ); document.write( "\r\n" ); document.write( "Multiply them all together:\r\n" ); document.write( "\r\n" ); document.write( " (x2 + 4x + 4)(x2 - 3x) = 0\r\n" ); document.write( "\r\n" ); document.write( "x4 - 3x3 + 4x3 - 12x2 + 4x2 - 12x = 0 \r\n" ); document.write( "\r\n" ); document.write( "Collect like terms\r\n" ); document.write( "\r\n" ); document.write( " x4 + x3 - 8x2 - 12x = 0 \r\n" ); document.write( "\r\n" ); document.write( "Set P(x) = the left side:\r\n" ); document.write( "\r\n" ); document.write( " P(x) = x4 + x3 - 8x2 - 12x\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |