Question

Solve this please....

Answer 1

${x}^{4} - {y}^{4} = ( {x}^{2} - {y}^{2} )( {x}^{2} + {y}^{2} )$
24=8*
$( {x}^{2} - {y}^{2} )$
$( {x}^{2} - {y}^{2} ) = 3$
$( {x}^{2} - {y}^{2} ) = (x + y)(x - y)$
x-y=1