To simplify 3 * √(-72), we can first simplify the square root of -72.
The square root of -1 is expressed as "i" in mathematics, which represents the imaginary unit.
The square root of 72 can be simplified as 6√2.
Therefore, the simplified form of 3 * √(-72) is 3 * 6 * i * √2, which can be further simplified to 18i√2.
simplfy 3*√-72
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