Remove all perfect squares from inside the square root. Assume b is positive
1 answer:
Answer:
4b
Step-by-step explanation:
Factor 80 .
80 = 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 .
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