Jawabanmu

2014-08-31T20:20:06+07:00
2x - 6 - 6x + 4
= 2x - 6x - 6 + 4
= -4x - 2

:D :D
2014-08-31T20:37:27+07:00
(2x-6) - (6x+4) = 2x-6-6x-4 = 2x-6x-6-4 = -4x-10
1 5 1