document.write( "Question 141735This question is from textbook Introductory Algebra
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document.write( ": The product of the smaller two of three consecutive integers is equal to 23 plus the largest. Find the integers. \n" );
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Algebra.Com's Answer #103291 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The product of the smaller two of three consecutive integers is equal to 23 plus the largest. Find the integers. \n" ); document.write( ": \n" ); document.write( "3 consecutive integers: x, (x+1), (x+2) \n" ); document.write( ": \n" ); document.write( "Write an equation for what it says: \n" ); document.write( "x*(x+1) = 23 + (x+2) \n" ); document.write( ": \n" ); document.write( "x^2 + x = x + 25 \n" ); document.write( ": \n" ); document.write( "x^2 + x - x - 25 = 0; arrange as a quadratic equation \n" ); document.write( ": \n" ); document.write( "x^2 - 25 = 0; recognize this as the \"difference of square\" \n" ); document.write( "Factors to: \n" ); document.write( "(x-5)(x+5) = 0 \n" ); document.write( "Two solutions: \n" ); document.write( "x = +5, (5, 6, 7 are the integers) \n" ); document.write( "and \n" ); document.write( "x = -5, (-5, -4 ,-3 can also be the integers. \n" ); document.write( ": \n" ); document.write( "Check both solutions in the original equation \n" ); document.write( " \n" ); document.write( " |