Simplifying Square Roots | MathHelp.com - By MathHelp.com
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| 00:0-1 | to simplify the square root of 40 Notice that 40 | |
| 00:04 | is not a perfect square . So let's start by | |
| 00:08 | setting up a factor tree , 40 factors as two | |
| 00:14 | times 20 . 20 factors as two times 10 and | |
| 00:22 | 10 factors as two times 5 . So we have | |
| 00:27 | a pair of twos . Mhm . Which means that | |
| 00:32 | a two can come out of the radical . Yeah | |
| 00:36 | . And we have a two and a five that | |
| 00:39 | don't pair up , which means that a two and | |
| 00:42 | a five stay inside the radical , Multiplying together to | |
| 00:47 | make 10 . So the square root of 40 simplifies | |
| 00:53 | to two Route 10 . |
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