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3a×(a-b)-2a×(a+b) Me ajudem por favor.
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3a×(a-b)-2a×(a+b)
Me ajudem por favor.

User Natario
by
3.1k points

1 Answer

3 votes

Answer:

a^2 - 5ab

Explanation:

[3a * (a-b)] - [2a * (a+b)]

[3a(a) - 3a(b)] - [2a(a) + 2a(b)]

3a^2 - 3ab - (2a^2) - (2ab)

3a^2 - 2a^2 - 3ab - 2ab

a^2 - 5ab

User Florian Holzhauer
by
3.5k points
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