Evaluate 9 square root of -99

Math
9-99
Rewrite -99 as -1(99).
9-1(99)
Rewrite -1(99) as -1⋅99.
9(-1⋅99)
Rewrite -1 as i.
9(i⋅99)
Rewrite 99 as 32⋅11.
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Factor 9 out of 99.
9(i⋅9(11))
Rewrite 9 as 32.
9(i⋅32⋅11)
9(i⋅32⋅11)
Pull terms out from under the radical.
9(i⋅(311))
Simplify the expression.
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Move 3 to the left of i.
9(3⋅i11)
Multiply 3 by 9.
27i11
27i11
Evaluate 9 square root of -99

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