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Mathematics 22 Online
OpenStudy (anonymous):

Evaluate the expression at a = -5, b = -6, and c = -9. 6ac - 2b + 2c = [6(-5)(-9)] - [2(-6)] + [2(-9)] = 270 + 12 - 18 = 264 I don't understand how 264 was the answer to this problem. Could someone explain?

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