brendabrv brendabrv

07-01-2016
Mathematics

contestada

(m+2)(m+3)=(m+2)(m-2)

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Billymkhoi Billymkhoi

07-01-2016

(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= -2

The final answer is m=-2~

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