document.write( "Question 994756: The product of two consecutive positive integers is 56. What is the smaller integer? \n" ); document.write( "
Algebra.Com's Answer #805299 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! Using some guessing and checking, we see that the integers are 7 and 8.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Here is a more algebraic approach:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "smaller integer = x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x(x+1) = 56 \n" ); document.write( "x^2 + x = 56 \n" ); document.write( "x^2 + x - 56 = 0 \n" ); document.write( "(x + 8)(x - 7) = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x is positive, so x = 7. \n" ); document.write( " |