Answer:
6√7.
Explanation:
First find the prime factors of 252:
252 = 2*2*3*3*7
Square root of 2*2*3*3 = 2*3 = 6.
Therefore:
√252 = 6√7.
Answer: 6 root 7
The biggest whole number you can take out is 36, so the root of 36 on the outside and the 252/36 remains inside the root.
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