Jawabanmu

2014-08-21T19:30:46+07:00
1. 7x+4x= 11x
2. 12a+16b+12a-8b = 24a +8b
3. -2a-4a+a+5a+3-4= -6a+6a-1=-1
4. 6x kuadrat -6x+4x-6 = 6x kuadrat -2x -6
5.gtw. tapi yg bawahnya 4 (2de+f)