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Find the factors of 3m^2+9m+6....

Find the factors of `3m^2+9m+6.`

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Here the solution is:
`3(m^2+9m+6)`=`3(m^2+3m+2)`
=`3[m^2+m+2m+2]`
=`3[m(m+1)+2(m+1)]`
=`3(m+1)(m+2)`
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