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posted by john on Wednesday, July 10, 2013 at 6:46pm.

2x − 2y − 5z + 2x + 2y + 3z

Combine like terms. 2x − 2y − 5z + 2x + 2y + 3z 4x - 2z

Evaluate the expression below when x = -2. x2 − 8 x + 6

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