Question

Solve x^2 = 144
72
12
±12
−12

Answer 1

Do you mean x^2?

Answer 2

yeas sry

Answer 3

Just find the square root of both sides.

\[\sqrt{144}\]

Answer 4

-12 and 12

Answer 5

Yeah.

Answer 6

but which answer is it?

Answer 7

right?

Answer 8

it is C?

Answer 9

There's a symbol that represents both positive and negative, since a negative times a negative is a positive which is the same vice versa.

Answer 10

Yeah.

Answer 11

ok THX

Answer 12

That sign just means "this number is positive and negative" which is two solutions in one.