document.write( "Question 135912: The square of the sum of two consecutive integers is 529. What are the integers?\r
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document.write( "x = 1st integer
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document.write( "x + 1 = 2nd integer\r
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document.write( "(x + (x + 1))2 = 529
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document.write( "2x2 = 528
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document.write( "x2 = 264
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document.write( "x = 16.24....\r
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document.write( "Answer should be 11 and 12.
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Algebra.Com's Answer #99665 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! (x+(x+1))^2 does NOT equal 2x^2+1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(2x+1)(2x+1) __ FOILing __ 4x^2+4x+1=529\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtracting 1 and dividing by 4 __ x^2+x=132\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtracting 132 __ x^2+x-132=0 __ factoring __ (x+12)(x-11)=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so x=-12 and x=11 \n" ); document.write( " |