Math, asked by blank00, 8 months ago

Simplify please answer fast​

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Answers

Answered by abhi569
1

Answer:

- 2a² - 3b² + 7ab

Step-by-step explanation:

⇒ ( 2a² - 7b² ) + ( a² + 4ab + 2b² ) - ( 5a² - 3ab - 2b² )

    Solving brackets: terms in last bracket will be multiplied by - 1 so signs will get changed, so sign of 5a² is - now, that 3ab is + now and that of 2b² is + now.

Continue:

⇒ 2a² - 7b² + a² + 4ab + 2b² - 5a² + 3ab + 2b²

  Combining like terms:

⇒ 2a² + a² - 5a² - 7b² + 2b² + 2b² + 4ab + 3ab

⇒ - 2a² - 3b² + 7ab

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