SOLUTION: Please walk me through each step in solving this problem:
Square root of 25x - 25 minus square root of 9x-9. (Sorry, I cannot product the square root symbol). They say the ans
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Question 200827: Please walk me through each step in solving this problem:
Square root of 25x - 25 minus square root of 9x-9. (Sorry, I cannot product the square root symbol). They say the answer is 2times square root of x-1
Found 2 solutions by jim_thompson5910, checkley77:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.
Factor out the GCF 25 from the first radicand
Factor out the GCF 9 from the second radicand
Break up the roots using the identity
Take the square root of 25 to get 5
Take the square root of 9 to get 3
Factor out the GCF
Combine like terms.
So where
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
sqrt(25x-25)-sqrt(9x-9)
sqrt25(x-1)-sqrt9(x-1)
5sqrt(x-1)-3sqrt(x-1)
5-3sqrt(x-1)
2sqrt(x-1)
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