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12-16.
  1. Simplify each expression in parts (a) through (c) below. Then complete part (d). Homework Help ✎

    1. xy

    2. ab

    3. 2x

    4. What expression would go in the box to make the equation = 2y + 7x true?

Distribute the xy to both terms in the parentheses ( ).
Then simplify.

2b + 4a2

See the previous parts of this problem for clues.