Multiple Choice
Add. ( - + ) + ( ) + ( )
A) 11x 4 - 22x 2 + 5
B) 11x 4 + 21x 2 + 7
C) 13x 4 - 22x 2 + 5
D) 11x 4 + 21x 2 - 5
E) 13x 4 - 22x 2 - 7
Correct Answer:

Verified
Correct Answer:
Verified
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