(m+2)(m+3)=(m+2)(m-2)
(m+2)(m+3)= (m+2)(m-2)⇒ m^2+ 3m+ 2m+ 6= m^2 -4⇒ 5m+ 6= -4 (m^2 on both sides cancels out)⇒ 5m= -4-6⇒ 5m= -10⇒ m= -10/5⇒ m= -2The final answer is m=-2~