Subtract the Polynomials and Simplify $\left( - 6 m ^ { 2 } - 7 m + 8 \right) - \left( 2 m ^ { 2 } - 5 m - 9 \right)$

question 29

Multiple Choice

Subtract the polynomials and simplify.
- $\left( - 6 m ^ { 2 } - 7 m + 8 \right) - \left( 2 m ^ { 2 } - 5 m - 9 \right)$

• A) \(- 8 m ^ { 2 } - 2 m + 17\)
• B) \(- 8 m ^ { 2 } - 7 m ^ { 2 } + 5 m + 17\)
• C) \(- 4 m ^ { 2 } - 12 m - 1\)
• D) \(- 8 m ^ { 2 } - 12 m - 1\)

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