Find the Indicated Sum or Difference $$\left( - 2 z ^ { 2 } - 8 z - 1 \right) + \left( z ^ { 2 } + 2 z - 5 \right) - \left( 9 z ^ { 2 } - 19 z + 9 \right)$$

question 202

Short Answer

Find the indicated sum or difference. $$\left( - 2 z ^ { 2 } - 8 z - 1 \right) + \left( z ^ { 2 } + 2 z - 5 \right) - \left( 9 z ^ { 2 } - 19 z + 9 \right)$$

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Scientists who study mental processes such as perception, memory, thought, and problem-solving.

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