Evaluate square root of -68

Math
-68
Rewrite -68 as -1(68).
-1(68)
Rewrite -1(68) as -1⋅68.
-1⋅68
Rewrite -1 as i.
i⋅68
Rewrite 68 as 22⋅17.
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Factor 4 out of 68.
i⋅4(17)
Rewrite 4 as 22.
i⋅22⋅17
i⋅22⋅17
Pull terms out from under the radical.
i⋅(217)
Move 2 to the left of i.
2i17
Evaluate square root of -68

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