II. Directions: Add or subtract the polynomials in Column I and match to
their corresponding sum or difference in Column II.
I
II
16. (-4x) + (-8x)
A. -7xy
17. 18xy - 11xy
B. 14(x+y)
18. 14xy - 21xy
C. 7x2
19. 4x - 6y + 9x - 3y
D. 8x + 2y
20. 3(x+y) + 11(x+y)
E. 14xy
21. 5(x+y) - 14(x+y)
F. 3x - 10
22. (5x2 + 4) + (2x2 - 4)
G. 7xy
23. (2x2 + 2x - 4) + (3x2 - 8x - 6)
H. -9(x+y)
I. 5x2 - 6x - 10
24. (6x - 6) -(3x + 4)
J. -12x
25. (11x - 3y) - (3x - 5y)
K. 13x - Oy​