√(18 * 18 * 4) please help me guys

Question

`√(18 * 18 * 4)`
please help me guys

Answer 1

36

Explanation:

Note that if there are two of the same number multiplied within a root, it becomes a whole number

√18 x √18 = 18

Next, simplify √4. Factor the number:

√4 = √(2 x 2) = 2

Multiply: 18 x 2 = 36

36 is your answer

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