Add or subtract by first simplifying each radical and then combining any like radicals. Assume that all variables represent positive numbers.
-$ \sqrt {3 }$ - 2$ \sqrt {108}$ - $4 \sqrt {48 }$
A)-6 $ \sqrt {3 }$
B)-27 $ \sqrt {3 }$
C)-6 $ \sqrt {159 }$.
D)-27 $ \sqrt {159 }$

Question

Add or subtract by first simplifying each radical and then combining any like radicals. Assume that all variables represent positive numbers.
-$  \sqrt {3 }$ -  2$ \sqrt {108}$ - $4 \sqrt {48 }$ 
A)-6 $  \sqrt {3 }$
B)-27 $  \sqrt {3 }$
C)-6 $  \sqrt {159 }$.
D)-27 $  \sqrt {159 }$

Quizplus · Accepted Answer

- Simplify the radicals: 
2 108 = 2 * 2 * 3 * 3 * 3 * 3 = 18 * 6 
4 48 = 4 * 2 * 2 * 2 * 3 = 16 * 3 
- Combine like radicals: 
3 - 18 * 6 - 16 * 3 = 3 - 108 - 48 = -27 * 3

Add or Subtract by First Simplifying Each Radical and Then 3 \sqrt {3 }3​

Add or Subtract by First Simplifying Each Radical and Then $\sqrt {3 }$