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Simplify: (7x2 − 8x − 4) + (−2x2 + 3x + 5) + (5x2 − 10x − 8) 10x2 + 15x − 7 10x2 + 5x − 7 10x2 − 15x − 7 10x2 − 15x − 9
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Simplify: (7x2 − 8x − 4) + (−2x2 + 3x + 5) + (5x2 − 10x − 8)

10x2 + 15x − 7

10x2 + 5x − 7

10x2 − 15x − 7

10x2 − 15x − 9

User Capdragon
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1 Answer

3 votes
(7x² − 8x − 4) + (-2x² + 3x + 5) + (5x² - 10x - 8) =
7x² − 8x − 4 - 2x² + 3x + 5 + 5x² - 10x - 8 =
10x² -15x -7
User Ceece
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8.5k points
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