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Anna71 [15]
2 years ago
9

Help, i dont know any of this lol

Mathematics
1 answer:
ale4655 [162]2 years ago
7 0

Answer:

18m³ + 2m² – m

Combine (add and subtract) the terms that have the same variable and exponent. Do not combine terms that have different exponents or variables.

5m³ +5m³ + 8m³ = 18m³

3m² +3m² –4m² = 2m²

–2m –2m +3m = –m

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