Question

(m+3)(m_3) multiplication algebra ​

Answer 1

Step-by-step explanation:

m^2 - 9 is your answer...

Answer 2

Step-by-step explanation:

(m-3)(m+3)

$using \: the \: formula \: of \: {a}^{2} - {b}^{2}$

$suppse \: m = a \: and \: 3 = b$

${m}^{2} - {3}^{2}$

$= {m}^{2} - 9$