SOLUTION: Simplify by factoring. Assume that all expressions under radical represent nonnegative numbers.
sqrt( 18a^2b )
I'm confused as I've seen similar problems set up stating to t
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Question 132991: Simplify by factoring. Assume that all expressions under radical represent nonnegative numbers.
sqrt( 18a^2b )
I'm confused as I've seen similar problems set up stating to think of them as positive numbers. Please help.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression
Break up the root
Simplify to get
Simplify to get
Combine the square roots
So simplifies to
In other words, if a and b are positive numbers (since you cannot take the square root of a negative number)
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