a²-2a+[5a²-(3a-4a²)] plz answer
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Answer:
= a²- 2a + [ 5a²- 3a + 4a²]
= a² - 2a + [ 5a² + 4a² - 3a ]
=> a² - 2a + [ 9a² - 3a ]
=> a² + 9a² - 2a - 3a
=> 10a² - 5a
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Answer:
see ans in the form image.
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