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oksano4ka [1.4K]
3 years ago
5

Which expression is equivalent to (10 + 7 r - r ^ 2) + (-6 r ^ 2 - 18 + 5 r)

Mathematics
1 answer:
garik1379 [7]3 years ago
7 0

Answer:

-7r^2+12r-8

Step-by-step explanation:

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