- 2a + 3a = - 7b - 4b = - 7× + 2× + 4× = - 8y - y + 3y = - 6×y + 7z - 4xy + z = - (5×)(3×) = - 2y (3y + 4a) = - 4a (3× - 5a) = - (2a - 3× + 6y)4 = - 3 (z + 5a - 8× + 4) =?
- 2a + 3a = - 7b - 4b = - 7× + 2× + 4× = - 8y - y + 3y = - 6×y + 7z - 4xy + z = - (5×)(3×) = - 2y (3y + 4a) = - 4a (3× - 5a) = - (2a - 3× + 6y)4 = - 3 (z + 5a - 8× + 4) =.