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2-115.
  1. Simplify each expression below. Homework Help ✎

    1. x(x + 2)

    2. (2x2 y)3

    3. 5(x2 + 2x + 1) − 3(2x2 − 3x + 1)

x2 + 2x

2x6y3

x2 + 19x + 2