Question

how do you simplify this?
√ 18

Answer 1

factor

Answer 2

9squrt2

Answer 3

no, its 3squrt2

Answer 4

yeah my bad

Answer 5

lol

Answer 6

how do you get 3√ 2 though?

Answer 7

factor out a 9 and 2 since those are multiples of 18, then break down 9 since its 3 times 3, you can take out the two 3 since it is a square root and looking for a pair, the 2 has no pair so it has to stay in the root

Answer 8

Find the common factors that equal 18. One of them should be a perfect square. For example, 9x2=18 and 9 is a perfect square.
\[\sqrt{9•2}\]
Since 9 is a perfect square, it can be simplified so you end up with
\[3\sqrt{2}\]
2 is not a perfect square, so it remains under the square root.