document.write( "Question 445230: find two consecutive even integers whose product is 80 \n" ); document.write( "
Algebra.Com's Answer #306758 by unlockmath(1688)![]() ![]() You can put this solution on YOUR website! Hello, \n" ); document.write( "Let's have x be one even integer and (x+2) be the next. Now we can make and equation as: \n" ); document.write( "x(x+2)=80 \n" ); document.write( "Expand out and subtract 80 from both sides to get: \n" ); document.write( "x^2+2x-80=0 \n" ); document.write( "Factor this: \n" ); document.write( "(x-8)(x+10)=0 \n" ); document.write( "Solve for x: \n" ); document.write( "x=8 \n" ); document.write( "x=-10 \n" ); document.write( "Two answers: 8 &10 \n" ); document.write( "or -10 &-8 \n" ); document.write( "There we go. \n" ); document.write( "Make sense? \n" ); document.write( "RJ \n" ); document.write( "www.math-unlock.com \n" ); document.write( " |