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Review 6.3. Using brackets

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  • Expand:
    5t^4 - t^3 + 2t^2
  • Fill in the blank:
    x
  • Fill in the blank:
    2b
  • Expand:
    3t^6 + 9t
  • Expand:
    2x^3 + 2x^2 + 10x
  • What is the perimeter of a square with a side length of (a+5)?
    4(a + 5) = 4a + 20
  • What is the perimeter of a regular hexagon with a side length of (3t + 5) ?
    6(3t + 5) = 18t + 30
  • Expand: 2a(3a+7)
    6a^2 + 14a
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