Math Insight

Simplifying expressions

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  1. Simplify $- 2 c^{3} \left(- 3 c^{2} - 3\right) - 5 c \left(- c^{2} + 2\right)$.

  2. Simplify $\left(- 4 z + 5\right) \left(5 z + 1\right) + \left(- 5 z + 5\right) \left(2 z^{2} - 5\right)$.

  3. Simplify $\left(- 4 c - 5\right) \left(2 c^{2} - 4\right) + \left(5 c - 1\right) \left(2 c^{2} + 1\right)$.

  4. Simplify $-5 \left(- 2 x + 4\right) - 5 \left(- 3 x - 2\right)$.

  5. Simplify $4 c^{3} + 3 c^{2} \left(- 2 c^{2} + 2 c\right)$.

  6. Simplify $- z^{2} + 5 z^{2} \left(z + 2\right)$.

  7. Simplify $5 \left(- y^{3} + 3\right) - 4 \left(4 y^{3} + 2\right)$.

  8. Simplify $b^{3} \left(- 2 b - 1\right) - 3 b^{3} \left(3 b^{3} + 3\right)$.

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Elementary math, 2013-2014