you can just cancel out the square and the square root to get 4 x 30 which is 120. Now you simplify 3
you do this by splitting the radical into 2 radicals. So you want to take out a perfect square which in this case is 
and you have 
4√30^2 times 3√20x
(i will mark you brainliest if you answer this correctly)...
Mathematics, 23.10.2020 19:40, genyjoannerubiera
4√30^2 times 3√20x
(i will mark you brainliest if you answer this correctly)
Answers: 3
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