Question

how to factorization =m square -25

Answer 1

↑ Here is your answer ↓
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$m^2 - 25 = 0$

$m^2 - 5^2 = 0$

$(m+5)(m-5) = 0$

Answer 2

(m^2-25)
Using identity a^2-b^2=(a+b)(a-b)
Therefore,
Ans=(m-5)(m+5)