Problem 1

Remove the parentheses:

2 + 8(a + 3) + 2(3a 1)

Procedure
  1. Use the distributive property to remove the parentheses.
2 + 8(a + 3) + 2(3a 1) = 2 + 8a + 24 + 6a 2
  1. Collect like terms.
 2 + 8a + 24 + 6a 2 = 14a + 24
Solution

2 + 8(a + 3) + 2(3a 1) = 14a + 24

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