jika a=4,b=-2,c=-1,hitunglah nilai 4a+2bc-3ac

a = 4
b = -2
c = -1

4a + 2bc - 3ac
= 4(4) + 2(-2)(-1) - 3(4)(-1)
= 16 + 4 + 12
= 32

Dilampiran ya.. Maaf kalau salah :'(