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The negative in front of the second bracket means that it's times by -1 so each of their signs switches:
3m^2+2n-m^2-2n
Add like terms
2m^2
the 2n cancels out
Answer:
no problem :) have a nice day
Step-by-step explanation:
Answer:
hablan español? Si hablan porfavor me pueden ayudar en una tarea de matemática que no se mucho matemática
Answer: (x−y)(2x+3y)
Step-by-step explanation: Check picture :)