1. Find the difference. (-6x + 2y -3) - (2x - 4y - 7)
A-8x + 6y + 4
B-8x - 2y - 10
C-4x - 2y - 4
  1. Find the difference. (4x2 + 3x + 2) - (2x2 + 2x + 1)
A2x2 + 5x + 3
B2x2 + x + 1
C2x2 - x - 1
  1. Find the sum. (-6x + 2y - 3) + (2x - 4y - 7)
A-4x -2y - 10
B-8x -6y - 10
C-4x + 2y + 4