| A | B |
|---|
| (3x - 2y +3) + (-7x +4y -3) = | -4x + 2y |
| (y^2 -3y -2) - (3y^2 +5y -4) = | -2y^2 -8y +2 |
| (5a^2 -11a +12) + (-8a^2 -2a -20 )= | -3a^2 -13a -8 |
| (7s +3) - (-2s -4) = | 9s + 7 |
| 7x^3 -15x^2y) - (x^3 -3xy^2 +y^2) = | 6x^3 -15x^2y +3xy^2 -y^2 |
| (2k -5r +11) - (-7k +2r +5) = | 9k -7r +6 |
| (x^2y +3xy^2 +7) - (-7x^2y +4xy^2 +20) = | 8x^2y -xy^2 -13 |
| (4x^2 +10x -5) + (x^2 -10x -6) = | 5x^2 -11 |
| (-7x^2 -5x +4) - (-x^2 -x -6) = | -6x^2 -4x +10 |
| (-x -y) - (x -y) = | -2x |
| (x + 2y) + (x -5) = | 2x +2y -5 |
| (3x^2 +4) - (5x^2 -7x +12) = | -2x^2 +7x -8 |
| (a -b -c) + (-a -b +c) = | -2b |
| (1/2x -2/3y) - (3/4x + 5/3y)= | -1/4x -7/3y |
| (5a^3 -7a^2 +2a -16) + (-12a^3 +2a^2 -11a -24) = | -7a^3 -5a^2 -9a -40 |
