document.write( "Question 117290: Find two consecutive positive intergers such that the sum of their square is 85. \r
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Algebra.Com's Answer #85320 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X^2+(X+1)^2=85 \n" ); document.write( "X^2+X^2+2X+1=85 \n" ); document.write( "2X^2+2X+1-85=0 \n" ); document.write( "2X^2+2X-84=0 \n" ); document.write( "2(X^2+X-42) \n" ); document.write( "2(X+7)(X-6)=0 \n" ); document.write( "X+7=0 \n" ); document.write( "X=-7 ANSWER. \n" ); document.write( "X-6=0 \n" ); document.write( "X=6 ANSWER. \n" ); document.write( "PROOF \n" ); document.write( "6^2+7^2=85 \n" ); document.write( "36+49=85 \n" ); document.write( "85=85 \n" ); document.write( " |