Math With Imaginary Numbers

Simplify

• 5i

• -5i

• ±5i

• ±

Simplify

• ± 10i

• ± 10

• ± √10i

• ± √10

Simplify:
2i(4 - 3i)

• 6 + 8i

• 6 - 8i

• 8i - 6i²

• 8i + 6i²

Simplify:
-3i(4 + 2i)

• 6 - 12i

• 6 + 12i

• -12i - 6i²

• -12i + 6i²

Simplify.

• -5i

• 5

• 5i

• -5

Simplify: 
(10+ 15i)-(48 - 30i)

• 58 - 45i

• 58 - 15i

• -38 - 15i

• -38 + 45i

Simplify
2i - 7i + 10

• 10 - 5i

• 5i

• 10 + 9i

• 10 + 5i

Find the sum.
(5-2i) + (-7+8i)

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

(2i)(3i)

• 5i

• -5

• 6i²

• -6

Simplify -√-8

• -i√8

• -2i√2

• 2i√2

• -8i