Question

x^2+16=0

Answer 1

Alright take your equation and what do you think the first step is to solve for x?

Answer 2

You will take 16 and subtract if from both sides so you now have x^2=-16

Answer 3

Right...?

Answer 4

subtract the 16.
x^2=-16
then divide by neg. 1 so you can square root it later.
-x^2=16
now find the square root.
-x=4
lastly divide by neg. 1 again.
x=-4

Answer 5

^There you go

Answer 6

yep answer is -4i

Answer 7

oh yeah i forget the i rule.