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Mathematics 19 Online
OpenStudy (anonymous):

Explain how to simplify 4 minus the square root of 28.

OpenStudy (mathstudent55):

|dw:1389120490405:dw| Look at 28. Can you think of a factor of 28 that is a perfect square?

OpenStudy (anonymous):

You can simplify the sq rt of 28 to the sq rt of 4 * 7. |dw:1389120564356:dw|

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