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Perform the Indicated Operations and Simplify (7y2n4yn+2)+(4y2n+2yn4)\left( 7 y ^ { 2 n } - 4 y ^ { n } + 2 \right) + \left( 4 y ^ { 2 n } + 2 y ^ { n } - 4 \right)

Question 19

Multiple Choice

Perform the indicated operations and simplify.
- (7y2n4yn+2) +(4y2n+2yn4) \left( 7 y ^ { 2 n } - 4 y ^ { n } + 2 \right) + \left( 4 y ^ { 2 n } + 2 y ^ { n } - 4 \right)


A) 6y2n+9yn86 y ^ { 2 n } + 9 y ^ { n } - 8
B) 7y3n7 y ^ { 3 n }
C) 11y4n2y2n211 y ^ { 4 n } - 2 y ^ { 2 n } - 2
D) 11y2n2yn211 y ^ { 2 n } - 2 y ^ { n } - 2

Correct Answer:

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