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harkovskaia [24]
3 years ago
13

Remove all perfect squares from inside the square root. Assume b is positive

Mathematics
1 answer:
Tanya [424]3 years ago
4 0

Answer:

4b\sqrt{5}

Step-by-step explanation:

Factor 80b^{2}.

80b^{2} = 4 * 4 * 5 * b * b

Since there are two 4s and bs, they can be taken out of the square. (Because if you put a square root over 4 squared or b squared, you would get 4 or b.)

Now you are left with 4b\sqrt{5}.

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