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2. (t³ + 8t²) – (3t³)

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  • 2. (t + 8t) (3t)

  • 4. (3x-x) (x+3x x)

    3. (x + 3 2x) + (7 4x 3)

  • 6. (5u+3u + 7) (u+2u+1)

    5. (4x + 3x 6) + (2x - 4x + 5)

  • 8. (7x4 - x + 3x) (x + 6x - 2x + 9)

    7. (8y + 4y + 3y 7) +( 2y - 6y + 4)

  • 10.

    9. (-9v - 8u) + (-2uv -2u + v) + (-v + 4uv)

  • 12. (-3.8y + 6.9y - y + 6.3) (-3.1y + 2.9y 4.1)

    11. What is the missing term?

    (-14y + 9y - 12y + 3) + (2y + ___ - 6y 2) = (-3y + 15y + 1)

  • 14. (4x + 7xy) (-6x - 7xy - 4x) (10x + 9x)

    13.

  • 16.

    15.