document.write( "Question 281696: find three consecutive positive integers such that the product of the second and third integers is twenty more than ten times the first integer \n" ); document.write( "
Algebra.Com's Answer #204670 by Greenfinch(383)![]() ![]() You can put this solution on YOUR website! If the numbers are X, X+1 and X+2 \n" ); document.write( "10X = (X+1)(X+2) - 20 \n" ); document.write( "10X = X^2 + 7X -18 \n" ); document.write( "X^2 -7X -18 =0 \n" ); document.write( "(X+2)(X-9) = 0 \n" ); document.write( "X = -2 or 9 \n" ); document.write( "since 2 is negative, the numbers are 9,10,11 \n" ); document.write( "CHECK 90 is 20 less than 110 \n" ); document.write( " |