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Adding and Subtracting Polynomials
Grade Level
ACT Prep
ACTM.093 Adding and Subtracting Polynomials
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Skill Level
🔴 Hard
00:00
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Mastery
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Simplify: (8m
2
+ mn - 9n
2
- 11m - 11n) - (2mn - 2n
2
+ 9) + (9n
2
+ 12m - 7n)
A
8m
2
- mn + 2n
2
+ m - 18n + 9
B
8m
2
- mn + 2n
2
+ m - 18n - 9
C
8m
2
+ 3mn - 2n
2
+ m - 18n + 9
D
8m
2
- mn - 2n
2
+ m - 18n + 9
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