document.write( "Question 381447: the product of the second and third of three consecutive integers is 2 more than 10 times the first integer?
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Algebra.Com's Answer #270660 by checkley79(3341) ![]() You can put this solution on YOUR website! LET X, X+1 & X+2 BE THE 3 INTEGERS. \n" ); document.write( "(X+1)(X+2)=10X+2 \n" ); document.write( "X^2+3X+2=10X+2 \n" ); document.write( "X^2+3X-10X+2-2=0 \n" ); document.write( "X^2-7X=0 \n" ); document.write( "X(X-7)=0 \n" ); document.write( "X-7=0 \n" ); document.write( "X=7 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "(7+1)(7+2)=10*7+2 \n" ); document.write( "8*9=70+2 \n" ); document.write( "72=72 \n" ); document.write( " |