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Mathematics, 06.12.2019 06:31 kimlyn58p0wyn0

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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