document.write( "Question 367099: A student opens a book with two facing pages. The product of the page numbers is 1056 find the page numbers. \n" ); document.write( "
Algebra.Com's Answer #261735 by Theo(13342)![]() ![]() You can put this solution on YOUR website! let x = one of the facing pages. \n" ); document.write( "let y = the other of the facing pages.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "it's clear that y has to be equal to x + 1, so your 2 pages are therefore equal to:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x and (x+1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the product of these 2 pages is equal to 1056\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this means that:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x * (x+1) = 1056\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "simplify to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^2 + x = 1056\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtract 1056 from both sides of this equation to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^2 + x - 1056 a= 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your factors for this quadratic equation are:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x - 32) * (x + 33) = 0 because:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "32*33 = 1056 \n" ); document.write( "33 - 32 = 1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 32 or x = -33\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x can't be -33, so x = 32 is your answer.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 32 \n" ); document.write( "x + 1 = 33\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "page 32 faces page 33.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "32 * 33 = 1056.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "there's your answer.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |