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Simplify square root 18

User Tego
by
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2 Answers

3 votes

Answer:

3√2

Explanation:

√18 = √9 x √2 = 3√2

User Jateen
by
8.2k points
4 votes

Start by making a factor tree for 18.

18 factors as 6 x 3 and 6 factors as 2 x 3.

Look for pairs of factors that are the same.

In this case, the 3's match up.

So a 3 will come out of the radical.

Whatever does not pair up stays inside.

In this case, the 2 goes inside.

So our answer is 3√2.

Simplify square root 18-example-1
User PeterDanis
by
8.2k points

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