Question

2n squared = -144?

Answer 1

Can you square any number and have a negative result?

Answer 2

only if the answer is imaginary

Answer 3

\[(2n)^2=-144\]
this?

Answer 4

Yeah but it didnt have the parenthesis.

Answer 5

if parenthesis aren'[t there, start by dividing both sides by 2

Answer 6

Yeah i did that already and i got -72

Answer 7

Are you working with imaginary numbers?

Answer 8

Not completely sure on what you mean by that.

Answer 9

Have you seen answers where the answer has the has the letter "i" in it. You get this when you take the square root of a negative number.

Answer 10

basically imaginary numbers are defined by this
\[\sqrt{-1}=i^2\]
i is imaginary

Answer 11

got it