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3n² - 9(7m³ + 7n²) pls help!!!

3n² - 9(7m³ + 7n²) pls help!!!
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3n² - 9(7m³ + 7n²) pls help!!!

User Shantanuo
by
8.9k points

2 Answers

1 vote

Answer:

- 63m³ - 60n²

Explanation:

Given

3n² - 9(7m³ + 7n²) ← distribute the parenthesis by 9

= 3n² - 63m³ - 63n² ← collect like terms

= - 63m³ - 60n²

User Ntep Vodka
by
7.5k points
1 vote

Answer:

−63m3−60n2

ru simplifying?

User Gavin
by
7.8k points
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