document.write( "Question 93699: Please help me, I can not get this to factor- 7x^2+34x-5 \n" ); document.write( "
Algebra.Com's Answer #68247 by praseenakos@yahoo.com(507)![]() ![]() You can put this solution on YOUR website! Question:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Please help me, I can not get this to factor- 7x^2+34x-5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer:\r \n" ); document.write( "\n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Here you can use the method of splitting middle term..\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For that you have to find out two numbers so that their sum is +34(that is coefficient of x ) and whose product is -35( that is 7 * -5)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Such two numbers are +35 and -1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now split the middle term using these two numbers.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "==> \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now group the terms as follows...\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "==> \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now take out the common terms form each group....\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "==> \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now (1x + 5) is common in both groups, so take it outside.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "===> (1x + 5 ) ( 7x + 5 ) = 0, \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the factors of the given equation is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "========================================================================\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you want to solve this equation.....\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(1x + 5 ) ( 7x + 5 ) = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "==> either (1x + 5 ) = 0 or ( 7x + 5 ) = 0\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(1x + 5 )= 0 ==> \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ( 7x + 5 ) = 0 ==> 7x = -5 ==> \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hope you found the explanation useful.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Regards.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Praseena\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( " |