Jawabanmu

2014-06-11T00:26:11+07:00
2x^3+3x^2+ax-3 dibagi (x-3) sisanya 18
pakai cara horner
x-3 =0
x = 3

3 2 3 a -3
_____6___27___3(a+27)
2 9 a+27 18

berarti -3 + 3(a+27) = 18
-3 + 3a + 81 = 18
3a + 78 = 18
3a = 18-78
3a= -60
a = -20

a+27 =-20+27
=7
jadi hasil pembagiannya = 2x^2 + 9x +7