Question

find the value of 3ab-2b square+4abc if a=3 b=2 and=-4​

Answer 1

3×3×2-2×(2)^2+4×3×2×4

=18-8+96

=114-8

=106 Ans.

Answer 2

Step-by-step explanation:

$a = 3 \\ b = 2 \\ c = - 4 \\ \\ 3ab - 2 {b}^{2} + 4abc \\ = 3(3)(2) - 2 {(2)}^{2} + 4(3)(2)( - 4) \\ = 18 - (2 \times 4) + ( - 96) \\ = 18 - 8 - 96 \\ = \underline{ \underline{ - 86}}$