document.write( "Question 370490: find two consecutive positive intergers such that the square of the larger integer added to seven times the smaller integer is equal to 253? \n" ); document.write( "
Algebra.Com's Answer #264076 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! Let x & (x+1) be the 2 integers. \n" ); document.write( "(x+1)^2+7x=253 \n" ); document.write( "x^2+2x+1+7x=253 \n" ); document.write( "x^2+9x+1-253=0 \n" ); document.write( "x^2+9x-252=0 \n" ); document.write( "(x-12)(x+21)=0 \n" ); document.write( "x-12=0 \n" ); document.write( "x=12 ANS FOR THE SMALLER INTEGER. \n" ); document.write( "12+1=13 ANS. FOR THE LARGER INTEGER. \n" ); document.write( "Proof: \n" ); document.write( "13^2+7*12=253 \n" ); document.write( "169+84=253 \n" ); document.write( "253=253 \n" ); document.write( " |