document.write( "Question 981315: one positive number is six more than another. the sum of their squares is 260. what are the numbers? \n" ); document.write( "
Algebra.Com's Answer #602321 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! one positive number is six more than another. \n" ); document.write( "x, (x+6) are the number \n" ); document.write( " the sum of their squares is 260. \n" ); document.write( "x^2 + (x+6)^2 = 260 \n" ); document.write( "FOIL(x+6)(x+6) \n" ); document.write( "x^2 + x^2 + 6x + 6x + 36 = 260 \n" ); document.write( "Combine like terms \n" ); document.write( "2x^2 + 12x + 36 - 260 = 0 \n" ); document.write( "2x^2 + 12x - 224 = 0 \n" ); document.write( "simplify, divide by 2 \n" ); document.write( "x^2 + 6x - 112 = 0 \n" ); document.write( "Factors to \n" ); document.write( "(x+14)(x-8) = 0 \n" ); document.write( " what are the numbers? \n" ); document.write( "the positive solution \n" ); document.write( "x = 8, and 14 obviously \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "See if that works \n" ); document.write( "8^2 + 14^2 = \n" ); document.write( "64 + 196 = 260 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |