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Question 1

3x + 5y + 8x + 2y
A. 18xyB. 11x + 7y
C. 8x + 10yD. 18(x + y)
Question 2

4x3 + 18x3
A. 22x3B. 22x6
C. 22x9D. x6
Question 3

3x2 − 25 + 8x2
A. 135B. 11x4 − 25
C. 13x9D. 11x2 − 25
Question 4

8x2 − 2x5 − 8x2
A. 2x5B. − 2x5
C. 16x2 − 2x5D. 18x−3
Question 5

8x2 − 2y5 − (8x2 + 2y5)
A. 0B. − 4y5
C. 16x2 − 4y5D. 8x2 + 12y5
Question 6

x2 + y5 + (x2 − 2y5)
A. x2 − 2y5B. 4x2 − 2y5
C. 2x2 − y5D. 2x2 − 2y5
Question 7

3A3 − 5A5 + (8A3 + 5A5)
A. 3A3B. 3A5
C. 11A3D. 11A5
Question 8

x + x2 + x3 + x4
A. x + x2 + x3 + x4B. 4x4
C. 2x2 + 2x3D. 8x
Question 9

m2 + 2m2 − (4m2 + 8m2)
A. 9m2B. 8m2
C. 6m2D. − 9m2
Question 10

3x7 − 2y7 + (4x7 + 5y7)
A. 3y7B. 2x7 + 3y7
C. 7x7 + 3y7D. 7x7 + 7y7
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