isupovaalina99 isupovaalina99

06-09-2020
Mathematics

contestada

a) 18c^2 – 2(3c – 1)^2
В) (2a +3)(a −3) – 2a(4 – 6a)
С) (2x + 3)(3 —2x) - (2x – 5)^2 –10x

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Navinash Navinash

06-09-2020

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Sorry,

For a), 18c^2 - 18c^2 = 0

Not = 36c^2

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