Verified answer

1) 2 sqrt(32)

= 2 sqrt(16 * 2)

= 8 sqrt(2).

2) -4 sqrt(18)

= -4 sqrt(9 * 2)

= -12 sqrt(2).

1)

2 sqrt 32

= 8 sqrt 2

2)

-4 sqrt 18

= -12 sqrt 2