Simplify the radical expression.

Square root 56 times x squared
(1 point)
Responses

28x
28 x

2 times x times square root 14.
Image with alt text: 2 times x times square root 14.

2 times x times square root 7.
Image with alt text: 2 times x times square root 7.

2 times square root 14 times x squared