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(2a2 + ab + 2b) + (4a2 − 3ab + 9)
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(2a2 + ab + 2b) + (4a2 − 3ab + 9)
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Jan 19, 2017
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(2a2 + ab + 2b) + (4a2 − 3ab + 9)
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2a² + ab + 2b + 4a² - 3ab + 9
combine like terms:
2a² + 4a² + ab - 3ab + 2b + 9
6a² - 2ab + 2b + 9
AnnieOK
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Jan 25, 2017
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AnnieOK
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