Jawabanmu

2014-09-08T19:30:35+07:00
3d-5 - (8d+3) = -5d -8
6f - 7 - (2f+5) = 4f -12
5a + 3b + 4 -(2a-2b+3) = 3a + b +1
10x^2 - 6x - 7 - (8x^2 + 4x +4) = 2x^2 - 10x -11
4y^2 - 8y - 3 - (7y^2 - 3y + 6) = -3y^2 - 5y -9
2014-09-08T19:32:21+07:00
1.-5d-2
2.4f-2
3.3a-5b+9
4.2xpangkat2 -2x-3
5.-3y pangkat 2 -11y-3