Question 1045859
{{{ ((x+4)/(16-x^2)) / ((x+2)/(x+4)) }}}...first factor


{{{ ((x+4)/(4^2-x^2)) / ((x+2)/(x+4)) }}}


{{{ ((x+4)/((4-x)(4+x))) / ((x+2)/(x+4)) }}}...simplify


{{{ (cross((x+4))1/((4-x)cross((4+x)))) / ((x+2)/(x+4)) }}}


{{{ (1/(4-x)) / ((x+2)/(x+4)) }}}


{{{ (1(x+4))/((4-x)(x+2)) }}}


{{{ (x+4)/((4-x)(x+2)) }}}