document.write( "Question 3850: FIND THE DOMAIN {3X+4} \n" ); document.write( "
Algebra.Com's Answer #1717 by khwang(438) ![]() You can put this solution on YOUR website! Two roots 4+i & 4-i. (r1 & r2) \n" ); document.write( " \n" ); document.write( " Their sum = 8 and their product is 4^2 + 1 = 17.\r \n" ); document.write( "\n" ); document.write( " So, the equation is x^2 - 8x + 17 = 0 (ie x^2 - (r1+r2)x + r1 r2 =0\r \n" ); document.write( "\n" ); document.write( " Forget any any other way of solutions more than two lines about this kind of \n" ); document.write( " baby level questions.\r \n" ); document.write( "\n" ); document.write( " Also, there is no any reason you did not know the typing '+' sign. \n" ); document.write( " \n" ); document.write( " Kenny\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |