Mathematics, 31.01.2021 08:30, bbthomas

If a = - 1, b = 2 , c = 0 , find the value of 2 a² + 6 - 2 b + 4c

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If a = - 1, b = 2 , c = 0 , find the value of 2 a² + 6 - 2 b + 4c...