The given expression is 4 - √28. Since 28 contains a perfect square factor, we can simplify √28 to get:
4 - √(4 * 7)
= 4 - √(2² * 7)
= 4 - 2√7
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√28 can be represented as the square root of two or more numbers whose product is 28. V28 = √(4 x 7) √4 = 2, so we can simplify √28 by extracting the portion representing √4. √28 = 2√7
28 does not have a square root.
technically the square root of 28 is to hard to find because it would go on and on, so most math maticians say that the answer to the square root of 28 is the square root of 28.
no, 28 has no whole square root; the square root of 49 is 7
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