Can u plz show work? Thanks so much! It's an easy problem.

Question

11-11-2017
Mathematics

contestada

Can u plz show work? Thanks so much! It's an easy problem.

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Someone help me with this I am kind of stuck

swaggernaut swaggernaut · Answer 1 · 2017-11-11T19:36:23+01:00

The answer is D.

√-6(√-4 - √3) =

√-6 = √-1√6 = i√6 Express √-6 in terms of i
i√6(√-4 - √3)

√-4 = √-1√4 = i √4 Express √-4 in terms of i
i√6(i√4 - √3)

√4 = 2 simplify radicals
i√6(2i - √3)

√6(2i - √3) = 2i√6 - 3√2 Distribute √6 over 2i-√3
i(2i√6 - 3√2)

i(2i√6 - 3√2) = -3i√2-2√6 Distribute i over (2i)√6 - 3√2
-3i√2 - 2√6

factor -1 from -3i√2 - 2√6

= -(2√6 + 3i√2) == -2√6 - 3i√2

hope that helps!