Mathematics
Mathematics, 03.08.2020 14:01, abbiiee

What is the simplified form of this expression?

(-3x2 + 2x − 4) + (4x2 + 5x + 9)

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What is the simplified form of this expression?

(-3x2 + 2x − 4) + (4x2 + 5x + 9)...

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