Question

when x = 3 , a = 1 , b = 2
(ii) 3ab - 2b² + 4a²b​

Answer 1

Answer:

6

Step-by-step explanation:

= 3×1×2 - 2×2×2 + 4×1×1×2

= 6 - 8 + 8

= 6

Answer 2

Answer:

6

Step-by-step explanation:

3(1)(2)-2(2)^2+4(1)^2(2)

6-8+8

6