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fenix001 [56]
3 years ago
6

-2x^2-3x-9+-3x^2-4+6

Mathematics
1 answer:
hodyreva [135]3 years ago
7 0

Answer:

-2x^2-3x-9+-3x^2-4+6

16x - 3x - 9 + 9x - 4 + 6

13x - 9 + 9x  + 2

13x + 9x -9 + 2

21x -7

Step-by-step explanation:

-2x^2-3x-9+-3x^2-4+6

16x - 3x - 9 + 9x - 4 + 6

13x - 9 + 9x  + 2

13x + 9x -9 + 2

21x -7

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