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Find the Sum or Difference (5x47x2+x)(9x3+6x2+2x)+(5x2x)\left( 5 x ^ { 4 } - 7 x ^ { 2 } + x \right) - \left( 9 x ^ { 3 } + 6 x ^ { 2 } + 2 x \right) + \left( 5 x ^ { 2 } - x \right)

Question 484

Multiple Choice

Find the sum or difference.
- (5x47x2+x) (9x3+6x2+2x) +(5x2x) \left( 5 x ^ { 4 } - 7 x ^ { 2 } + x \right) - \left( 9 x ^ { 3 } + 6 x ^ { 2 } + 2 x \right) + \left( 5 x ^ { 2 } - x \right)


A) 1x5+7x42x- 1 x ^ { 5 } + 7 x ^ { 4 } - 2 x
B) 5x49x36x2+2x5 x ^ { 4 } - 9 x ^ { 3 } - 6 x ^ { 2 } + 2 x
C) 5x49x38x22x5 x ^ { 4 } - 9 x ^ { 3 } - 8 x ^ { 2 } - 2 x
D) 5x4+9x318x22x5 x ^ { 4 } + 9 x ^ { 3 } - 18 x ^ { 2 } - 2 x

Correct Answer:

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