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Mackenzie Hodges
Mathematics
23 June, 14:24
Sum of 2x 2 + 3x - 4, 8 - 3x, and - 5x 2 + 2.
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Sonia Keller
23 June, 14:29
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(2x² + 3x - 4) + (8 - 3x) + (-5x ² + 2)
= 2x² + 3x - 4 + 8 - 3x - 5x² + 2
= - 3x² + 6
= 3 (-x² + 2)
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