Simplifying Imaginary Numbers and Adding/Subtracting Complex Numbers

Simplify

• ± 6

• ± 6i

• ± √6i

• ± √6

Simplify

• 5i

• -5i

• ±5i

• ±

(5-2i) + (-7+8i)

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Simplify:
(3 + 2i) + (4i + 6)

• 9 + 6i

• 7i + 8

• 9 + 6i²

• 9 - 6i

Simplify:
(4 + 7i) - (3 + 2i)

• 1 + 5i

• 7 + 9i

• 1 + 9i

• -1 + 5i

Simplify: 
(10+ 15i) - (48 - 30i)

• 58 - 45i

• 58 - 15i

• -38 - 15i

• -38 + 45i

(-7 + 9i) + (2 - 10i)

• -5 + i

• -5 - i

• -9 + 1

• 9 - i

• 10
• -10
• 10i
• -10i

√-4

• -2

• -2i

• 2

• 2i

4+5i+6+6i

• 21i

• 20i+36

• 24+30i

• 10+11i