SOLUTION: simplify please help me learn this and show all work. -sqrt(3) (sqrt (-3)

Question 93427This question is from textbook
: simplify please help me learn this and show all work. -sqrt(3) (sqrt (-3) This question is from textbook

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression
Combine the roots using the identity

Multiply

Now lets focus on

Solved by pluggable solver: Simplifying Square Roots (whole numbers only)

Start with the given expression

Factor out a negative 1

Break up the square roots using the identity

Replace with (remember )

Now lets simplify :

Since 9 is a perfect square, we can take the square root of 9 to get a clean number

So simplifies to (just reintroduce back in)

So (just reintroduce the negative back in)
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