Question

(vii) (m + 3) (m-3) (m^2 + 9)​

Answer 1

Answer:

m⁴-81

Step-by-step explanation:

(m+3)(m-3)(m²+9)

(m²-3²)(m²+9)

(m²-9)(m²+9)

{(m²)²-9²}

(m⁴-81) ans