Question

please Factorise : m⁴ − 625​

Answer 1

Answer:

Step-by-step explanation:

(m^2)^2-(25)^2

using identity: a^2-b^2=(a-b)(a+b)

(m^2-25)(m^2+25)

(m^2-5^2)(m^2+5^2)

using same identity

(m-5)(m+5)(m^2+5^2)