1/2 turns into 2/4 and 2/4 + 1/4 that equals 3/4 and then 11 plus 6 equals 17 3/4
We want to simplify √(-48).
Note that
i² = -1 by definition.
Therefore

Answer: c.
3 -1i + 21i -7i2 now you have to fix the last factore because you have to change the imaginery i this would give you the answer of 3 - 1i + 21i +7 now add common factor which would give you the final answer of 3 +20i +7
Answer:
4x(3x^2-x+5)
Step-by-step explanation:
12x^3-4x^2+20x
=4x(3x^2-x+5)