please provide the steps of the calculation of this problem. please no coding

HW (due Mar 6) Solve equation X()X=X for all 22 real-valued matrices, where (*) - modified multiplication where + changed to min and x changed to + (from slides). (HINT 2-vertex graphs w/o neg cycle) a b cd Hint: the top-left position of ab. a b X cd c d equals min{2a,b+c}