Question

HELP simplify the following expression

Answer 1

https://susd8137-ccl.gradpoint.com/Resource/227364,109,0,0,0/Assets/flvs/algebra2_v10_gs-xml/res0052/4_08cc_1.gif

Answer 2

have you began working with imaginary numbers yet?

Answer 3

\[i=\sqrt{-1}\]

Answer 4

find the prime factors of each number and "pull out" pairs from the square root
rewrite sqrt(-1) as i
for example:
\( \sqrt{-27} = i \sqrt{27}= i \sqrt{3\cdot 3 \cdot 3}\)
pull out one pair of 3's from the square root. They become 3 outside the radical
\( i \sqrt{3\cdot 3 \cdot 3}=3i\sqrt{3}\)
do the same for the other term and combine them