Jawabanmu

2014-09-03T19:33:13+07:00
1. 10q²+6b²+4a-b-a²-4b²=4a-b-a²+6b²-4b²+10q=4a-b-a²+2b²+10q
2. 5a+3b+a-5b=5a+a+3b-5b=6a-8b
3.3p²-4p+p³-p=- 4p-p+3p²+p³=-5p+3p+p³
4. 4{x+y}+3{x-y}=4x+4y+3x-3y=4x+3x+4y-3y=7x+y
5. 6{x²+1}+2{x²-1}=6x²+6+2x²-2=6x²+2x²+6-2=8x²+4
6. 2x²-xy+3x²-3xy=2x²+3x²-xy-3xy=5x²-4xy