Question

Please simplify.....
Attached

Answer 1

The answer is 3rd point.

Explanation:

You can simplify the bracket first,

(-1/2×√2)

= (-1/2×√2)

(-6√18)

= -6(√2×9)

= -6×3√2

= -18√2

Finally, you can expand it :

(-1/2√2)(-18√2)

= (-1/2 × -18)(√2 × √2)

= 9 × 2

= 18

Answer 2

your answer should be...

(B.) -18

Hope this helps!