SOLUTION: Simplify by rationalizing the denominator. a/square root 10 plus square root 2. I know I have to multiply but I forget what I have to do with the a factor.

Question 826060: Simplify by rationalizing the denominator. a/square root 10 plus square root 2. I know I have to multiply but I forget what I have to do with the a factor.
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
or did you want ?

If the first one, take advantage of the Difference Of Squares.

, a step was skipped, expecting you recognize the step;

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