(7m+6) (6-7m)=36-m (m+1)
7m(6-7m)+6(6-7m) = 36 - m(m+1)
42m-49m² + 36 - 42m = 36 - m²-m
-49m²+m²+m=0
-48m²+m = 0
m(-48m + 1) =0
m = 0 или -48m + 1 = 0
m= 0 или -48m = -1
m = 1/48
Ответ: m∈{0; 1/48}
M1=0 M2=1/48