SOLUTION: radical 50 + radical 18

Question 116380: radical 50 + radical 18
Answer by bucky(2189) (Show Source): You can put this solution on YOUR website!
You are given:
.

.
To simplify this you can use the rule that says:
.

.
Applying that rule to we can break the 50 up into the product of 25*2.
So we can say that
.
But . So we can substitute 5 for and the problem simplifies
further:
.

.
Now let's do the same thing for . Factor 18 so that you have:
.

.
And so this part of the problem simplifies further to:
.

.
Put the two parts of the problem together ...
.

.
If you factor from the two terms on the right side you get:
.

.
So the answer to this problem is:
.

.
Hope this helps you to understand one of the rules that can be used in simplifying
radicals.
.
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