Mathematics, 15.11.2019 10:31, gora2005

Simplify: (4x2 + 8xy + 2y2) − (−9x2 − 4xy − 7y2)
5x2 + 4xy − 5y2
−5x2 − 4xy + 9y2
13x2 + 12xy + 9y2
13x2 − 12xy + 5y2

Answers: 1

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Simplify: (4x2 + 8xy + 2y2) − (−9x2 − 4xy − 7y2)
5x2 + 4xy − 5y2
−5x2 − 4xy + 9y2
...