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Add or Subtract (5x88x3+7x2+6)+(4x7+5x39x)\left( 5 x ^ { 8 } - 8 x ^ { 3 } + 7 x ^ { 2 } + 6 \right) + \left( 4 x ^ { 7 } + 5 x ^ { 3 } - 9 x \right)

Question 86

Multiple Choice

Add or subtract.
- (5x88x3+7x2+6) +(4x7+5x39x) \left( 5 x ^ { 8 } - 8 x ^ { 3 } + 7 x ^ { 2 } + 6 \right) + \left( 4 x ^ { 7 } + 5 x ^ { 3 } - 9 x \right)


A) 9x813x3+7x29x+69 x ^ { 8 } - 13 x ^ { 3 } + 7 x ^ { 2 } - 9 x + 6
B) 5x8+4x73x3+7x29x+65 x ^ { 8 } + 4 x ^ { 7 } - 3 x ^ { 3 } + 7 x ^ { 2 } - 9 x + 6
C) 5x8+4x7+3x3+7x29x+65 x ^ { 8 } + 4 x ^ { 7 } + 3 x ^ { 3 } + 7 x ^ { 2 } - 9 x + 6
D) 9x83x3+7x29x+69 x ^ { 8 } - 3 x ^ { 3 } + 7 x ^ { 2 } - 9 x + 6

Correct Answer:

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