Evaluate the summation below.
$2 \sum_{m = 1}^{6} (2 m^{2} - 9 m)$

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Final Answer: $- 14$

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Step 1 ：Evaluate the summation below.

Step 2 ： $2 \sum_{m = 1}^{6} (2 m^{2} - 9 m)$

Step 3 ：The summation is a simple arithmetic operation where we sum the results of the expression $2 m^{2} - 9 m$ for each integer value of $m$ from 1 to 6, and then multiply the result by 2.

Step 4 ：The total is -14.

Step 5 ：Final Answer: $- 14$

Evaluate the summation below.2∑m=16(2m2−9m)

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Evaluate the summation below.
$2 \sum_{m = 1}^{6} (2 m^{2} - 9 m)$