Question 673124
{{{(11r+8)(3r-5)=0}}}


{{{11r+8 = 0}}} or {{{3r-5=0}}}


{{{11r = -8}}} or {{{3r=5}}}


{{{r = -8/11}}} or {{{r=5/3}}}


So the solutions are {{{r = -8/11}}} or {{{r=5/3}}}