SOLUTION: Can you please help me solve this problem? (3 times the square root of 5x)-(the square root of 45x)-(4 times the square root of 20x)

Question 190597: Can you please help me solve this problem? (3 times the square root of 5x)-(the square root of 45x)-(4 times the square root of 20x)
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.

Factor 45 into 9*5 and 20 into 4*5

Break up the square roots.

Take the square root of 9 to get 3. Take the square root of 4 to get 2

Multiply

Factor out the GCF

Combine like terms.

So where

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