8. (3m2 - 3mn + 8) - (- m2 + 3mn) =
1) 2m² + 3mn + 8 2) 4m2 + 8
3) 4m2 + 6mn +8 4) 4m² - 6mn +8
Answers
Answered by
0
Answer:
4) 4m² - 6mn + 8
Step-by-step explanation:
3m² - 3mn + 8 + m² - 3mn
4m² - 6mn + 8
Answered by
0
Answer:
4m² - 6mn + 8 is the answer
4) is the correct option
Step-by-step explanation:
(3m² - 3mn + 8) - (- m² + 3mn)
= 3m² - 3mn + 8 + m² - 3mn
= 4m² - 6mn + 8
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