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Anna [14]
3 years ago
5

Add (-x^2-2x+6)+(-9x^2-7x+6)

Mathematics
1 answer:
77julia77 [94]3 years ago
5 0

(-x²-2x+6)+(-9x²-7x+6) = -x²-2x+6-9x²-7x+6 = -10x² - 9x + 12

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