Question

What should be subtracted from 3m² - 4m³ + m - 9 to obtain 4m² - 2m + 3m³ - 12?
(A) - 7m² + 7m +3m - 3
(B) - m² - 7m³ - 3m + 3
(C) -m²- 7m³ + 3m - 3
(D) - 7m² + 7m³ - 3m + 3
(E) None of these
please answer with step by step explanation. this is urgent. ​

Answer 1

Answer:

hello user

kindly refer to the attachment

Step-by-step explanation:

hope it helps ✌

Answer 2

Answer:

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Step-by-step explanation:

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