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Find the Sum (9x28x+12)+(2x35x212)\left( - 9 x ^ { 2 } - 8 x + 12 \right) + \left( - 2 x ^ { 3 } - 5 x ^ { 2 } - 12 \right)

Question 62

Multiple Choice

Find the sum (9x28x+12) +(2x35x212) \left( - 9 x ^ { 2 } - 8 x + 12 \right) + \left( - 2 x ^ { 3 } - 5 x ^ { 2 } - 12 \right) .


A) 2x314x28x- 2 x ^ { 3 } - 14 x ^ { 2 } - 8 x
B) 11x513x3- 11 x ^ { 5 } - 13 x ^ { 3 }
C) 24x8- 24 x ^ { 8 }
D) 11x513x3+24- 11 x ^ { 5 } - 13 x ^ { 3 } + 24
E) 11x313x2+24- 11 x ^ { 3 } - 13 x ^ { 2 } + 24

Correct Answer:

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