Please help me with this problem 3(square root of 144 -6)

3(square root of 144 -6) = 3 * 11.74734

To solve the problem 3(square root of 144 - 6), we can follow these steps:

Step 1: Begin by evaluating what's inside the parenthesis: the square root of 144 minus 6.
First, calculate the square root of 144, which is 12.
Next, subtract 6 from 12, resulting in 6.

Step 2: Now, substitute this value (6) back into the original expression.
3 * 6 = 18

Hence, the solution to the problem 3(square root of 144 - 6) is 18.