Somebody plz plz help ASAP !!!

Answer:
6[tex]m^{2}[/tex] + 6m -9[tex]m^{2}[/tex]
=> (6[tex]m^{2}[/tex] - 9[tex]m^{2}[/tex]) + 6m
=> -3[tex]m^{2}[/tex] + 6m
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Thank You!!