Question

What is the value of + 2x2, when x = 3?
х
11
O 14
O 20

Answer 1

$x = 3 \\ 2 {x}^{2} = 2 \times {3}^{2} \\ = 2 \times 9 \\ = 18$

Hope this will help...

Answer 2

Answer:

Step-by-step explanation:

Putting value of x in the equation

2x2

2(3)2

2(9)

= 18