Question

Add and simplify: 9sqrt(x)+3root(3)(x)+sqrt(9x)

Group of answer choices

12sqrt(x)+sqrt(9x)

18sqrt(x)+3root(3)(x)

12sqrt(x)+3root(3)(x)

15sqrt(x)

Answer 1

C

Explanation:

`9√(x) + 3√(3x) + √(9x) \\= √(x) ( 9 + 3√(3)+3)\\ = 12√(x) + 3√(3x)`