$3\sqrt{3}$ 

27

7

3

2

4

$\sqrt{2}$

Wait a minute, sir! This expression can no longer be simplified.

2

-2

Wait a minute, sir! This is not a real number.

Wait a minute, sir! This expression can no longer be simplified.

6

-6

Wait a minute, sir! This is not a real number.

 $10xy\sqrt{xy}$  

 $10x^2y^3$  

 $10x^3y^2$  

 $10xy^2\sqrt{xy}$  

the radical is already in its simplest form

2x + 1

2x - 1

 $\left(2x\ +\ 1\right)\sqrt{2x\ +\ 1}$  

the radical is already in its simplest form

 $5\left(a+b\right)\left(a^2-ab+b^2\right)$  

5(a+b)

the radical is already in its simplest form

the radical is already in its simplest form

 $\frac{\sqrt{x}}{7}$  

7x

 $\frac{x}{7}$  

the radical is already in its simplest form

 $\frac{x^{10}}{y^8z^6}$  

this is not a real number

 $-\frac{x^{10}z^6}{y^8}$  

the radical is already in its simplest form

 $5y^9\sqrt{y}$  

 $\frac{5y^9\left(\sqrt{2}\right)}{2}$  

 $y^9\sqrt{\frac{5y}{2}}$  

the radical is already in its simplest form

 $\left(4x+4\right)^{\frac{1}{4}}$  

 $\sqrt{4x+4}$  

4x+4