Question

Please help. I've been solving this question for a while without getting an answer. I'm unsure if I'm doing something wrong or if the choices are wrong.

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Simplify. √72m^5n^2

A) 6mn√2m

B) 6m^2n

C) 6m^2n√2m

D) 6m^2√2

Answer 1

`\sqrt{72 {m}^(5) {n}^(2) }`

`\sqrt{2 * 36 * {m}^(4) * m * {n}^(2) }`

`6 {m}^(2) n √(2m)`

C is the correct answer.