Помогите решить: m²-81= b²-121c²= 169m²-16n²= 36m⁴-k²p²= (a+3)²-144=
1) = ( M - 9 ) * ( M + 9 ) 2) = ( B - 11C ) * ( B + 11C ) 3) = ( 13M - 4N ) * ( 13M + 4N ) 4) = ( 6M^2 - KP)*( 6M^2 + KP ) 5) = A^2 - 6A + 9 - 144 = A^2 - 6A - 135