Multiplying Radical Expressions
Simplify:
the square root of 6 (7 the square root of 3 + 6)

answer choices below
7 the square root of 108

21 the square root of 2 + 6 the square root of 6

7 the square root of 18 + 6 the square root of 6

126 the square root of 2

Question

Multiplying Radical Expressions 
Simplify: 
the square root of 6 (7 the square root of 3 + 6)

answer choices below
7 the square root of 108

21 the square root of 2 + 6 the square root of 6

7 the square root of 18 + 6 the square root of 6

126 the square root of 2

campbell_st · Answer

$$\sqrt{6}(7\sqrt{3} + 6)$$

expanding gives

$$7\times \sqrt{3\times6} + 6\times \sqrt{6}$$

$$7\sqrt{18} + 6\sqrt{6}$$

just simplify the 1st radical

anonymous · Answer

oh okay. thanks

campbell_st · Answer

the 2nd and 3 answers are the same... just written differently... the correct answer will depend on you are asked to completely simplify or not