Question

Factors of m4 - 256 are:
a) m2 - 8
b) m2 - 16
c) m - 16
d) m2 + 16​

Answer 1

(m2)2-(16)2

(m2-16)(m2+16)

so the answer is option B and D

Answer 2

Answer:

using the identity a^2-b^2

(a+b)(a-b)

the factors of m^4-216

m^2-16 and m^2+16