Question

help me out
plz answer fast
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Answer 1

Answer:

18 is the correct answer

Answer 2

Answer:

Using factorisation method:

3m

2

+9m+6=0

⇒3m

2

+3m+6m+6=0

⇒3m(m+1)+6(m+1)=0

⇒(m+1)(3m+6)=0

⇒m+1=0or3m+6=0

⇒m=−1orm=

3

−6

=−2

⇒m=−1or−2