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rafael072000
@rafael072000
October 2020
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Como eu resolvo isso?Não consegui resolver isso e preciso resolver isso até amanhã!
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poty
Verified answer
__?__ + (a² + 6a²b² - 12a²b) = (2a-3ab)²
Resolvendo por partes:
(2a-3ab)² = 4a² - 12a²b + 9a²b²
(4a² - 12a²b + 9a²b²) - (a² + 6a²b² - 12a²b) =
4a² - 12a²b + 9a²b² - a² - 6a²b² + 12a²b=
3a² +3a²b² =
3a²(1+b²)
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Verified answer
__?__ + (a² + 6a²b² - 12a²b) = (2a-3ab)²Resolvendo por partes:
(2a-3ab)² = 4a² - 12a²b + 9a²b²
(4a² - 12a²b + 9a²b²) - (a² + 6a²b² - 12a²b) =
4a² - 12a²b + 9a²b² - a² - 6a²b² + 12a²b=
3a² +3a²b² =
3a²(1+b²)