Which expression is equivalent to startroot 120 x endroot? 2 startroot 30 x endroot 2 startroot 30 endroot 4 startroot 30 x endroot 60 startroot 2 x endroot

the answer is a on edge

Step-by-step explanation:

2 StartRoot 30 x EndRoot

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

the answer will be the last one