To solve this, we need to expand and simplify the expression.
(25m)^2 - (4m - 4)^= (25m)(25m) - (4m - 4)(4m - 4= 625m^2 - (16m^2 - 16m - 16m + 16= 625m^2 - (16m^2 - 32m + 16= 625m^2 - 16m^2 + 32m - 1= 609m^2 + 32m - 16
Therefore, the simplified expression is 609m^2 + 32m - 16.
To solve this, we need to expand and simplify the expression.
(25m)^2 - (4m - 4)^
= (25m)(25m) - (4m - 4)(4m - 4
= 625m^2 - (16m^2 - 16m - 16m + 16
= 625m^2 - (16m^2 - 32m + 16
= 625m^2 - 16m^2 + 32m - 1
= 609m^2 + 32m - 16
Therefore, the simplified expression is 609m^2 + 32m - 16.