Jawabanmu

2014-05-05T11:08:58+07:00
Diketahui :
a= -1
b= -2
c= 1
jawab+cara :
-3a - b^2 + 2c =
(-3 x -1) - (-2)^2 + 2 x 1
3 - 4 + 2 =
-1 + 2 = 1