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Find the Sum or Difference 7ax7(2ax32x23)7 a x ^ { 7 } \left( 2 a x ^ { 3 } - 2 x ^ { 2 } - 3 \right)

Question 418

Multiple Choice

Find the sum or difference.
- 7ax7(2ax32x23) 7 a x ^ { 7 } \left( 2 a x ^ { 3 } - 2 x ^ { 2 } - 3 \right)


A) 14ax2114ax1421ax714 a x ^ { 21 } - 14 a x ^ { 14 } - 21 a x ^ { 7 }
B) 14a2x1014ax921ax714 a ^ { 2 } x ^ { 10 } - 14 a x ^ { 9 } - 21 a x ^ { 7 }
C) 14a2x21+14ax14+21ax7- 14 a ^ { 2 } x ^ { 21 } + 14 a x ^ { 14 } + 21 a x ^ { 7 }
D) 14a2x10+14ax9+21ax7- 14 a ^ { 2 } x ^ { 10 } + 14 a x ^ { 9 } + 21 a x ^ { 7 }

Correct Answer:

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