Question

-2root 3 -3 whole square​

Answer 1

Answer:

13+4root3

Step-by-step explanation:

this is the answer of your question

Answer 2

Answer:

Here is your explanation

Step-by-step explanation:

We have,

(-2√3-3)^2

= (-2√3)^2 + (-3)^2 + 2×(-2√3)×(-3)

= 12 + 9 + 12√3

= 21 + 12√3

Hence ,

(21 + 12√3) is the right answer.