SOLUTION: How do I solve radical 7 times 3 radical 14 minus radical 7 times radical 21? Alg2/Trig

Question 536420: How do I solve radical 7 times 3 radical 14 minus radical 7 times radical 21? Alg2/Trig
Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!
Remember that if z=x*y then

The key to these problems is factoring what's inside the square root to factors that include perfect squares. Then you can remove the perfect square factor (square root it.) Or, find factors that are the same as another factor in a radical, multiply them together to get the number itself.

If you need help understanding math so you can solve these problems yourself, then one on one online tutoring is the answer ($30/hr). If you need faster solutions with guaranteed detailed answers, then go with personal problem solving ($3.50-$5.50 per problem). Contact me at fcabanski@hotmail.com

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