Question

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

Answer 1

Explanation:

Putting value of x in the equation

2x2

2(3)2

2(9)

= 18

Answer 2

`x = 3 \\ 2 {x}^(2) = 2 * {3}^(2) \\ = 2 * 9 \\ = 18`

Hope this will help...