ANSWER ALL THREE I WILL MAKE YOU THE BRAINLIEST EASY QUESTION
2 answers:
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Answer:
-6m^4-m^3
Step-by-step explanation:
First you move the parenthesis then you group the like terms after you group the like terms you get which is adding the similar elements and after you add similar elements you get -6m^4-m^3. Srry if this makes no sense