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Math problem?

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Simplify the expression using the imaginary unit i.
√-2-3
I know the answer is -3+i√2.
I just need to know the work to get there.  

asked Jul 21, 2014 in PRE-ALGEBRA by anonymous

1 Answer

0 votes

The expression is image

Rewrite -2 as (-1)(2).

image

The imaginary units core propperty is that  image

image

Prouduct property of radicals image

image

Apply the radical property image

image

image

image

answered Jul 21, 2014 by david Expert

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