Question: 1. For the expression (xy + z)x, let x = 2 and z = -7. Then multiply and simplify. 2. Explain two ways in which

1. For the expression (xy + z)x, let x = 2 and z = -7. Then multiply and simplify.
2. Explain two ways in which 12y - 722 and your answer to Exercise 42 are related. Use the words multiply and factor in your explanations.

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