SOLUTION: Please help me simplify this question 9(sqrt3x) + (sqrt27x) A)18(sqrt3x) B)9(sqrt3x) + 3(sqrt9x) C)9(sqrt6x) D)12(sqrt3x)

Algebra ->  Square-cubic-other-roots -> SOLUTION: Please help me simplify this question 9(sqrt3x) + (sqrt27x) A)18(sqrt3x) B)9(sqrt3x) + 3(sqrt9x) C)9(sqrt6x) D)12(sqrt3x)      Log On


   

Question 36410: Please help me simplify this question
9(sqrt3x) + (sqrt27x)
A)18(sqrt3x)
B)9(sqrt3x) + 3(sqrt9x)
C)9(sqrt6x)
D)12(sqrt3x)
Answer by vidhyak(98) About Me  (Show Source):
You can put this solution on YOUR website!
9(sqrt3x) + (sqrt27x)
sqrt(27x) can be written as sqrt(9.3x)
9(sqrt3x) + (sqrt9.3x)
Sqrt(9) = 3
9(sqrt3x) + 3(sqrt3x)
12(sqrt3x)
Answer is D