Jika a:3 b:-2 dan c:4 tentukan nilai dari a.2ab+2b-4 b.ab+ bc
A = 3
B = – 2
C = 4
A. 2ab + 2b-4
= 2. 3.-2 + 2.-2-4
= – 12 – 4-4 = – 20
B. Ab+bc
= 3.-2 + – 2.4
= – 6 – 8 = – 14
a. 2.3.-2+2.-2-4
-12-4-4
-20
b. 3.-2 + -2.4
-6-8
-14
Jika a:3 b:-2 dan c:4 tentukan nilai dari a.2ab+2b-4 b.ab+ bc
A = 3
B = – 2
C = 4
A. 2ab + 2b-4
= 2. 3.-2 + 2.-2-4
= – 12 – 4-4 = – 20
B. Ab+bc
= 3.-2 + – 2.4
= – 6 – 8 = – 14
a. 2.3.-2+2.-2-4
-12-4-4
-20
b. 3.-2 + -2.4
-6-8
-14